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10031230013 = 78147175897
BaseRepresentation
bin10010101011110100…
…00110110000111101
3221220002112021122112
421111322012300331
5131020443330023
64335220023405
7503404022360
oct112572066075
927802467575
1010031230013
114288405642
121b3b531b65
13c3b30327c
146b23720d7
153da9cb478
hex255e86c3d

10031230013 has 8 divisors (see below), whose sum is σ = 11465735232. Its totient is φ = 8597092896.

The previous prime is 10031229979. The next prime is 10031230031. The reversal of 10031230013 is 31003213001.

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

It is not a de Polignac number, because 10031230013 - 28 = 10031229757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10031230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031230073) 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, 30920 + ... + 144977.

It is an arithmetic number, because the mean of its divisors is an integer number (1433216904).

Almost surely, 210031230013 is an apocalyptic number.

It is an amenable number.

10031230013 is a deficient number, since it is larger than the sum of its proper divisors (1434505219).

10031230013 is an equidigital number, since it uses as much as digits as its factorization.

10031230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184051.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10031230013 its reverse (31003213001), we get a palindrome (41034443014).

The spelling of 10031230013 in words is "ten billion, thirty-one million, two hundred thirty thousand, thirteen".

Divisors: 1 7 8147 57029 175897 1231279 1433032859 10031230013