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12344772810 = 2351381297967
BaseRepresentation
bin10110111111100111…
…00100100011001010
31011212022212102201210
423133303210203022
5200240230212220
65400543153550
7614625560166
oct133763444312
934768772653
1012344772810
115265336587
1224862a58b6
13121970a6c6
14851727ca6
154c3b756e0
hex2dfce48ca

12344772810 has 32 divisors (see below), whose sum is σ = 29649007872. Its totient is φ = 3289544640.

The previous prime is 12344772767. The next prime is 12344772877. The reversal of 12344772810 is 1827744321.

It is a super-2 number, since 2×123447728102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 107554 + ... + 190413.

It is an arithmetic number, because the mean of its divisors is an integer number (926531496).

Almost surely, 212344772810 is an apocalyptic number.

12344772810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12344772810 is an abundant number, since it is smaller than the sum of its proper divisors (17304235062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12344772810 is a wasteful number, since it uses less digits than its factorization.

12344772810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299358.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 12344772810 in words is "twelve billion, three hundred forty-four million, seven hundred seventy-two thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1381 2762 4143 6905 8286 13810 20715 41430 297967 595934 893901 1489835 1787802 2979670 4469505 8939010 411492427 822984854 1234477281 2057462135 2468954562 4114924270 6172386405 12344772810