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10521701157 = 311318839429
BaseRepresentation
bin10011100110010010…
…00110101100100101
31000011021102210120110
421303021012230211
5133022023414112
64500020323233
7521510661402
oct116311065445
930137383513
1010521701157
11450a2538a0
122057843519
13cb8b00096
1471b5672a9
15418ab113c
hex273246b25

10521701157 has 8 divisors (see below), whose sum is σ = 15304292640. Its totient is φ = 6376788560.

The previous prime is 10521701153. The next prime is 10521701171. The reversal of 10521701157 is 75110712501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10521701157 - 22 = 10521701153 is a prime.

It is a super-2 number, since 2×105217011572 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10521701153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159419682 + ... + 159419747.

It is an arithmetic number, because the mean of its divisors is an integer number (1913036580).

Almost surely, 210521701157 is an apocalyptic number.

It is an amenable number.

10521701157 is a deficient number, since it is larger than the sum of its proper divisors (4782591483).

10521701157 is a wasteful number, since it uses less digits than its factorization.

10521701157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318839443.

The product of its (nonzero) digits is 2450, while the sum is 30.

The spelling of 10521701157 in words is "ten billion, five hundred twenty-one million, seven hundred one thousand, one hundred fifty-seven".

Divisors: 1 3 11 33 318839429 956518287 3507233719 10521701157