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52013831455960 = 23511311937901011
BaseRepresentation
bin10111101001110011010011…
…11100101000010011011000
320211011110210100022212201121
423310321221330220103120
523304143311323042320
6302342454014255024
713645606142361523
oct1364715174502330
9224143710285647
1052013831455960
1115633a3a94a510
125a00766ab7474
132303b636a37ca
14cbb6a9019bba
15602eec07b8aa
hex2f4e69f284d8

52013831455960 has 64 divisors (see below), whose sum is σ = 127711250035200. Its totient is φ = 18908055868800.

The previous prime is 52013831455919. The next prime is 52013831455969. The reversal of 52013831455960 is 6955413831025.

It is a junction number, because it is equal to n+sod(n) for n = 52013831455898 and 52013831455907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52013831455969) 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, 17578146 + ... + 20322865.

It is an arithmetic number, because the mean of its divisors is an integer number (1995488281800).

Almost surely, 252013831455960 is an apocalyptic number.

It is an amenable number.

52013831455960 is an abundant number, since it is smaller than the sum of its proper divisors (75697418579240).

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

52013831455960 is a wasteful number, since it uses less digits than its factorization.

52013831455960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37904152 (or 37904148 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 52013831455960 in words is "fifty-two trillion, thirteen billion, eight hundred thirty-one million, four hundred fifty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 3119 6238 12476 15595 24952 31190 34309 62380 68618 124760 137236 171545 274472 343090 686180 1372360 37901011 75802022 151604044 189505055 303208088 379010110 416911121 758020220 833822242 1516040440 1667644484 2084555605 3335288968 4169111210 8338222420 16676444840 118213253309 236426506618 472853013236 591066266545 945706026472 1182132533090 1300345786399 2364265066180 2600691572798 4728530132360 5201383145596 6501728931995 10402766291192 13003457863990 26006915727980 52013831455960