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12210102313 = 86677140869
BaseRepresentation
bin10110101111100011…
…10110000000101001
31011111221110110112121
423113301312000221
5200001241233223
65335332511241
7611402104633
oct132761660051
934457413477
1012210102313
1151a6314652
12244917b521
1311c7848116
1483b8ada53
154b6e2315d
hex2d7c76029

12210102313 has 4 divisors (see below), whose sum is σ = 12210329860. Its totient is φ = 12209874768.

The previous prime is 12210102239. The next prime is 12210102323. The reversal of 12210102313 is 31320101221.

12210102313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9468846864 + 2741255449 = 97308^2 + 52357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12210102313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210102323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16243 + ... + 157111.

It is an arithmetic number, because the mean of its divisors is an integer number (3052582465).

Almost surely, 212210102313 is an apocalyptic number.

It is an amenable number.

12210102313 is a deficient number, since it is larger than the sum of its proper divisors (227547).

12210102313 is an equidigital number, since it uses as much as digits as its factorization.

12210102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227546.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12210102313 its reverse (31320101221), we get a palindrome (43530203534).

The spelling of 12210102313 in words is "twelve billion, two hundred ten million, one hundred two thousand, three hundred thirteen".

Divisors: 1 86677 140869 12210102313