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10029790057 = 721391472587
BaseRepresentation
bin10010101011101001…
…00111001101101001
3221212222211010101211
421111310213031221
5131020111240212
64335125113121
7503355544300
oct112564471551
927788733354
1010029790057
1142876117a1
121b3ab587a1
13c3ac1aa21
146b20b9437
153da7e49a7
hex255d27369

10029790057 has 12 divisors (see below), whose sum is σ = 11751252240. Its totient is φ = 8535108456.

The previous prime is 10029790049. The next prime is 10029790097. The reversal of 10029790057 is 75009792001.

It is not a de Polignac number, because 10029790057 - 23 = 10029790049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10029790097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729483 + ... + 743104.

It is an arithmetic number, because the mean of its divisors is an integer number (979271020).

Almost surely, 210029790057 is an apocalyptic number.

It is an amenable number.

10029790057 is a deficient number, since it is larger than the sum of its proper divisors (1721462183).

10029790057 is a wasteful number, since it uses less digits than its factorization.

10029790057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472740 (or 1472733 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 10029790057 in words is "ten billion, twenty-nine million, seven hundred ninety thousand, fifty-seven".

Divisors: 1 7 49 139 973 6811 1472587 10308109 72156763 204689593 1432827151 10029790057