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131718416560242 = 2327904797867133
BaseRepresentation
bin11101111100110000010101…
…011011011111000001110010
3122021101011020220221022020120
4131330300111123133001302
5114231033304114411432
61144050334420351110
736513225103362501
oct3574602533370162
9567334226838216
10131718416560242
1138a73515290036
1212933ab3245496
135865cbb60a385
1424752c37ac838
151036471b05c2c
hex77cc156df072

131718416560242 has 16 divisors (see below), whose sum is σ = 263436961011840. Its totient is φ = 43906117538192.

The previous prime is 131718416560193. The next prime is 131718416560303. The reversal of 131718416560242 is 242065614817131.

It is a happy number.

It is a super-2 number, since 2×1317184165602422 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12809308 + ... + 20676440.

It is an arithmetic number, because the mean of its divisors is an integer number (16464810063240).

Almost surely, 2131718416560242 is an apocalyptic number.

131718416560242 is an abundant number, since it is smaller than the sum of its proper divisors (131718544451598).

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

131718416560242 is a wasteful number, since it uses less digits than its factorization.

131718416560242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657617.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 131718416560242 in words is "one hundred thirty-one trillion, seven hundred eighteen billion, four hundred sixteen million, five hundred sixty thousand, two hundred forty-two".

Divisors: 1 2 3 6 2790479 5580958 7867133 8371437 15734266 16742874 23601399 47202798 21953069426707 43906138853414 65859208280121 131718416560242