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131344500052155 = 35131247835397863
BaseRepresentation
bin11101110111010100000110…
…010001001101000010111011
3122020001102010001001121112210
4131313110012101031002323
5114203422014003132110
61143202455204110203
736444220103452425
oct3567240621150273
9566042101047483
10131344500052155
1138939987154225
121289353b395363
13583996bb26320
142461171835815
15102b88a0a4520
hex77750644d0bb

131344500052155 has 32 divisors (see below), whose sum is σ = 226318532622336. Its totient is φ = 64661377544064.

The previous prime is 131344500052153. The next prime is 131344500052187. The reversal of 131344500052155 is 551250005443131.

It is not a de Polignac number, because 131344500052155 - 21 = 131344500052153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (131344500052153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21633754 + ... + 27031616.

It is an arithmetic number, because the mean of its divisors is an integer number (7072454144448).

Almost surely, 2131344500052155 is an apocalyptic number.

131344500052155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131344500052155 is a deficient number, since it is larger than the sum of its proper divisors (94974032570181).

131344500052155 is a wasteful number, since it uses less digits than its factorization.

131344500052155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522667.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 131344500052155 its reverse (551250005443131), we get a palindrome (682594505495286).

The spelling of 131344500052155 in words is "one hundred thirty-one trillion, three hundred forty-four billion, five hundred million, fifty-two thousand, one hundred fifty-five".

Divisors: 1 3 5 13 15 39 65 195 124783 374349 623915 1622179 1871745 4866537 5397863 8110895 16193589 24332685 26989315 70172219 80967945 210516657 350861095 1052583285 673561538729 2020684616187 3367807693645 8756300003477 10103423080935 26268900010431 43781500017385 131344500052155