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51101401024340 = 22541337365950539
BaseRepresentation
bin10111001111001111110001…
…10110110000011101010100
320200221020122111111102221222
423213213320312300131110
523144221132130234330
6300403354243425512
713522645232565542
oct1347477066603524
9220836574442858
1051101401024340
1115311a89738437
125893963985298
132268ac2848024
14c8946cbacd92
155d93e86090e5
hex2e79f8db0754

51101401024340 has 96 divisors (see below), whose sum is σ = 110288848924800. Its totient is φ = 19877007790080.

The previous prime is 51101401024321. The next prime is 51101401024393. The reversal of 51101401024340 is 4342010410115.

It is a super-2 number, since 2×511014010243402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011102791 + ... + 1011153329.

It is an arithmetic number, because the mean of its divisors is an integer number (1148842176300).

Almost surely, 251101401024340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51101401024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55144424462400).

51101401024340 is an abundant number, since it is smaller than the sum of its proper divisors (59187447900460).

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

51101401024340 is a wasteful number, since it uses less digits than its factorization.

51101401024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54585 (or 54583 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 51101401024340 its reverse (4342010410115), we get a palindrome (55443411434455).

The spelling of 51101401024340 in words is "fifty-one trillion, one hundred one billion, four hundred one million, twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 337 410 674 820 1348 1685 3370 3659 6740 7318 13817 14636 18295 27634 36590 50539 55268 69085 73180 101078 138170 150019 202156 252695 276340 300038 505390 600076 750095 1010780 1233083 1500190 2072099 2466166 3000380 4144198 4932332 6165415 8288396 10360495 12330830 17031643 20720990 24661660 34063286 41441980 50556403 68126572 85158215 101112806 170316430 184922201 202225612 252782015 340632860 369844402 505564030 698297363 739688804 924611005 1011128060 1396594726 1849222010 2793189452 3491486815 3698444020 6982973630 7581810241 13965947260 15163620482 30327240964 37909051205 62318781737 75818102410 124637563474 151636204820 249275126948 311593908685 623187817370 1246375634740 2555070051217 5110140102434 10220280204868 12775350256085 25550700512170 51101401024340