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231545353125102 = 23116173321932701
BaseRepresentation
bin110100101001011011011010…
…100001011011110011101110
31010100211112000202212102102020
4310221123122201123303232
5220322114340400000402
62140242244453211010
766525412462602102
oct6451333241336356
91110745022772366
10231545353125102
1167860918511965
1221b7705a330a66
139c2782cc34313
144126bd7b4b902
151bb805cb558bc
hexd296da85bcee

231545353125102 has 16 divisors (see below), whose sum is σ = 463130569582032. Its totient is φ = 77175140486400.

The previous prime is 231545353125071. The next prime is 231545353125161. The reversal of 231545353125102 is 201521353545132.

It is a super-2 number, since 2×2315453531251022 (a number of 30 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 7 ways as a sum of consecutive naturals, for example, 1660896649 + ... + 1661036052.

It is an arithmetic number, because the mean of its divisors is an integer number (28945660598877).

Almost surely, 2231545353125102 is an apocalyptic number.

231545353125102 is an abundant number, since it is smaller than the sum of its proper divisors (231585216456930).

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

231545353125102 is a wasteful number, since it uses less digits than its factorization.

231545353125102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321944323.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 231545353125102 in words is "two hundred thirty-one trillion, five hundred forty-five billion, three hundred fifty-three million, one hundred twenty-five thousand, one hundred two".

Divisors: 1 2 3 6 11617 23234 34851 69702 3321932701 6643865402 9965798103 19931596206 38590892187517 77181784375034 115772676562551 231545353125102