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51832151855260 = 22571278072896787
BaseRepresentation
bin10111100100100000111001…
…11111111101000010011100
320210112002211210002220110121
423302100130333331002130
523243204221333332020
6302123210054044324
713626515020300420
oct1362203477750234
9223462753086417
1051832151855260
111557398a508487
1259915029496a4
1322bc99baa5aba
14cb2992128b80
155ed41719dbaa
hex2f241cffd09c

51832151855260 has 48 divisors (see below), whose sum is σ = 124398180716544. Its totient is φ = 17770878312768.

The previous prime is 51832151855249. The next prime is 51832151855269. The reversal of 51832151855260 is 6255815123815.

It is a junction number, because it is equal to n+sod(n) for n = 51832151855198 and 51832151855207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51832151855269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16444587 + ... + 19341373.

It is an arithmetic number, because the mean of its divisors is an integer number (2591628764928).

Almost surely, 251832151855260 is an apocalyptic number.

It is an amenable number.

51832151855260 is an abundant number, since it is smaller than the sum of its proper divisors (72566028861284).

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

51832151855260 is a wasteful number, since it uses less digits than its factorization.

51832151855260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024610 (or 3024608 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 52.

The spelling of 51832151855260 in words is "fifty-one trillion, eight hundred thirty-two billion, one hundred fifty-one million, eight hundred fifty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 127807 255614 511228 639035 894649 1278070 1789298 2556140 2896787 3578596 4473245 5793574 8946490 11587148 14483935 17892980 20277509 28967870 40555018 57935740 81110036 101387545 202775090 405550180 370229656109 740459312218 1480918624436 1851148280545 2591607592763 3702296561090 5183215185526 7404593122180 10366430371052 12958037963815 25916075927630 51832151855260