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10130230997 = 17595895941
BaseRepresentation
bin10010110111100111…
…10000111011010101
3222010222211001110122
421123303300323111
5131221314342442
64353114001325
7506015354105
oct113363607325
928128731418
1010130230997
114329284537
121b68716245
13c55987133
146c1583205
153e4534dd2
hex25bcf0ed5

10130230997 has 4 divisors (see below), whose sum is σ = 10726126956. Its totient is φ = 9534335040.

The previous prime is 10130230993. The next prime is 10130231039. The reversal of 10130230997 is 79903203101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79903203101 = 101489787309.

It can be written as a sum of positive squares in 2 ways, for example, as 8044116721 + 2086114276 = 89689^2 + 45674^2 .

It is a cyclic number.

It is not a de Polignac number, because 10130230997 - 22 = 10130230993 is a prime.

It is a super-2 number, since 2×101302309972 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10130230993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297947954 + ... + 297947987.

It is an arithmetic number, because the mean of its divisors is an integer number (2681531739).

Almost surely, 210130230997 is an apocalyptic number.

10130230997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10130230997 is a deficient number, since it is larger than the sum of its proper divisors (595895959).

10130230997 is an equidigital number, since it uses as much as digits as its factorization.

10130230997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595895958.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 10130230997 in words is "ten billion, one hundred thirty million, two hundred thirty thousand, nine hundred ninety-seven".

Divisors: 1 17 595895941 10130230997