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157307712717 = 3471935780609
BaseRepresentation
bin1001001010000001000…
…1010011010011001101
3120001001001012210011010
42102200101103103031
510034131233301332
6200133254115433
714236142332101
oct2224021232315
9501031183133
10157307712717
1160794114951
12265a204bb79
1311aac55391c
14788412b901
15415a42c9cc
hex24a04534cd

157307712717 has 16 divisors (see below), whose sum is σ = 215316161280. Its totient is φ = 102108659712.

The previous prime is 157307712713. The next prime is 157307712763. The reversal of 157307712717 is 717217703751.

It is not a de Polignac number, because 157307712717 - 22 = 157307712713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157307712713) 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, 2863092 + ... + 2917517.

It is an arithmetic number, because the mean of its divisors is an integer number (13457260080).

Almost surely, 2157307712717 is an apocalyptic number.

It is an amenable number.

157307712717 is a deficient number, since it is larger than the sum of its proper divisors (58008448563).

157307712717 is a wasteful number, since it uses less digits than its factorization.

157307712717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780852.

The product of its (nonzero) digits is 504210, while the sum is 48.

The spelling of 157307712717 in words is "one hundred fifty-seven billion, three hundred seven million, seven hundred twelve thousand, seven hundred seventeen".

Divisors: 1 3 47 141 193 579 9071 27213 5780609 17341827 271688623 815065869 1115657537 3346972611 52435904239 157307712717