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10012322321 = 31731584613
BaseRepresentation
bin10010101001100011…
…11110101000010001
3221211202221200011122
421110301332220101
5131001123303241
64333302452025
7503054223041
oct112461765021
927752850148
1010012322321
114278770a51
121b35134015
13c374130a1
146ada4d721
153d8ee404b
hex254c7ea11

10012322321 has 4 divisors (see below), whose sum is σ = 10043907252. Its totient is φ = 9980737392.

The previous prime is 10012322311. The next prime is 10012322347. The reversal of 10012322321 is 12322321001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5315139025 + 4697183296 = 72905^2 + 68536^2 .

It is not a de Polignac number, because 10012322321 - 214 = 10012305937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10012322321.

It is not an unprimeable number, because it can be changed into a prime (10012322311) 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, 15791990 + ... + 15792623.

It is an arithmetic number, because the mean of its divisors is an integer number (2510976813).

Almost surely, 210012322321 is an apocalyptic number.

It is an amenable number.

10012322321 is a deficient number, since it is larger than the sum of its proper divisors (31584931).

10012322321 is an equidigital number, since it uses as much as digits as its factorization.

10012322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31584930.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10012322321 its reverse (12322321001), we get a palindrome (22334643322).

The spelling of 10012322321 in words is "ten billion, twelve million, three hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 317 31584613 10012322321