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51401325242300 = 2252111011063943487
BaseRepresentation
bin10111010111111110011011…
…01110110110011110111100
320201222220210201211100021212
423223333031232312132330
523214124403230223200
6301153235352343552
713553423520433265
oct1353771556663674
9221886721740255
1051401325242300
11154181a8084550
125921b079a4bb8
13228b17ca62397
14c99ba1c2596c
155e20ee2e9035
hex2ebfcdbb67bc

51401325242300 has 144 divisors (see below), whose sum is σ = 122900093890560. Its totient is φ = 18504162720000.

The previous prime is 51401325242279. The next prime is 51401325242303. The reversal of 51401325242300 is 324252310415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401325242303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1181971157 + ... + 1182014643.

It is an arithmetic number, because the mean of its divisors is an integer number (853472874240).

Almost surely, 251401325242300 is an apocalyptic number.

51401325242300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51401325242300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61450046945280).

51401325242300 is an abundant number, since it is smaller than the sum of its proper divisors (71498768648260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51401325242300 is a wasteful number, since it uses less digits than its factorization.

51401325242300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54252 (or 54245 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 51401325242300 its reverse (324252310415), we get a palindrome (51725577552715).

The spelling of 51401325242300 in words is "fifty-one trillion, four hundred one billion, three hundred twenty-five million, two hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 10100 10639 11110 21278 22220 27775 42556 43487 53195 55550 86974 106390 111100 117029 173948 212780 217435 234058 265975 434870 468116 478357 531950 585145 869740 956714 1063900 1074539 1087175 1170290 1913428 2149078 2174350 2340580 2391785 2925725 4298156 4348700 4392187 4783570 5372695 5851450 8784374 9567140 10745390 11702900 11819929 11958925 17568748 21490780 21960935 23639858 23917850 26863475 43921870 47279716 47835700 48314057 53726950 59099645 87843740 96628114 107453900 109804675 118199290 193256228 219609350 236398580 241570285 295498225 439218700 462658193 483140570 590996450 925316386 966281140 1181992900 1207851425 1850632772 2313290965 2415702850 4626581930 4831405700 5089240123 9253163860 10178480246 11566454825 20356960492 23132909650 25446200615 46265819300 46728477493 50892401230 93456954986 101784802460 127231003075 186913909972 233642387465 254462006150 467284774930 508924012300 514013252423 934569549860 1028026504846 1168211937325 2056053009692 2336423874650 2570066262115 4672847749300 5140132524230 10280265048460 12850331310575 25700662621150 51401325242300