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10206060631 = 131016377249
BaseRepresentation
bin10011000000101010…
…00010000001010111
3222100021111121011121
421200111002001113
5131400222420011
64404423144411
7510626040544
oct114025020127
928307447147
1010206060631
114368067458
121b89ba5107
13c685b7240
146cb681bcb
153eb012e71
hex260542057

10206060631 has 8 divisors (see below), whose sum is σ = 10992366000. Its totient is φ = 9419930112.

The previous prime is 10206060629. The next prime is 10206060659. The reversal of 10206060631 is 13606060201.

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 10206060631 - 21 = 10206060629 is a prime.

It is a super-2 number, since 2×102060606312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10206060596 and 10206060605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206060611) 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, 93495 + ... + 170743.

It is an arithmetic number, because the mean of its divisors is an integer number (1374045750).

Almost surely, 210206060631 is an apocalyptic number.

10206060631 is a deficient number, since it is larger than the sum of its proper divisors (786305369).

10206060631 is a wasteful number, since it uses less digits than its factorization.

10206060631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87425.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 10206060631 in words is "ten billion, two hundred six million, sixty thousand, six hundred thirty-one".

Divisors: 1 13 10163 77249 132119 1004237 785081587 10206060631