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257092689594 = 23134376652561
BaseRepresentation
bin1110111101101111101…
…0110001111010111010
3220120121020020211010110
43233123322301322322
513203011212031334
6314035020325150
724400665543036
oct3573372617272
9816536224113
10257092689594
119a03a136994
12419ab9a37b6
131b322649040
14c62c7b91c6
156a4a841ae9
hex3bdbeb1eba

257092689594 has 32 divisors (see below), whose sum is σ = 566615738304. Its totient is φ = 77265780480.

The previous prime is 257092689593. The next prime is 257092689631. The reversal of 257092689594 is 495986290752.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (257092689593) 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, 38322927 + ... + 38329634.

It is an arithmetic number, because the mean of its divisors is an integer number (17706741822).

Almost surely, 2257092689594 is an apocalyptic number.

257092689594 is an abundant number, since it is smaller than the sum of its proper divisors (309523048710).

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

257092689594 is a wasteful number, since it uses less digits than its factorization.

257092689594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76652622.

The product of its (nonzero) digits is 97977600, while the sum is 66.

The spelling of 257092689594 in words is "two hundred fifty-seven billion, ninety-two million, six hundred eighty-nine thousand, five hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 76652561 153305122 229957683 459915366 996483293 1992966586 2989449879 3296060123 5978899758 6592120246 9888180369 19776360738 42848781599 85697563198 128546344797 257092689594