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12313211210 = 2529715691051
BaseRepresentation
bin10110111011110110…
…01011000101001010
31011210010110221100122
423131323023011022
5200204140224320
65353454503242
7614063365646
oct133573130512
934703427318
1012313211210
115249539913
122477804b22
1312130099c1
1484b46dc26
154c0eddd25
hex2ddecb14a

12313211210 has 64 divisors (see below), whose sum is σ = 23314003200. Its totient is φ = 4675776000.

The previous prime is 12313211203. The next prime is 12313211219. The reversal of 12313211210 is 1211231321.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12313211219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11715185 + ... + 11716235.

It is an arithmetic number, because the mean of its divisors is an integer number (364281300).

Almost surely, 212313211210 is an apocalyptic number.

12313211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12313211210 is a deficient number, since it is larger than the sum of its proper divisors (11000791990).

12313211210 is a wasteful number, since it uses less digits than its factorization.

12313211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12313211210 its reverse (1211231321), we get a palindrome (13524442531).

The spelling of 12313211210 in words is "twelve billion, three hundred thirteen million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 29 58 71 142 145 290 355 569 710 1051 1138 2059 2102 2845 4118 5255 5690 10295 10510 16501 20590 30479 33002 40399 60958 74621 80798 82505 149242 152395 165010 201995 304790 373105 403990 598019 746210 1171571 1196038 2164009 2343142 2990095 4328018 5857855 5980190 10820045 11715710 17342551 21640090 34685102 42459349 84918698 86712755 173425510 212296745 424593490 1231321121 2462642242 6156605605 12313211210