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12625631382 = 2371321778759
BaseRepresentation
bin10111100001000101…
…11101100010010110
31012120220100112021010
423300202331202112
5201324130201012
65444455033050
7624606044640
oct136042754226
935526315233
1012625631382
115399926801
12254436b786
131262965b00
1487ab57890
154dd652c3c
hex2f08bd896

12625631382 has 48 divisors (see below), whose sum is σ = 31249255680. Its totient is φ = 3329834976.

The previous prime is 12625631329. The next prime is 12625631387. The reversal of 12625631382 is 28313652621.

It is a happy number.

12625631382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12625631382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12625631387) 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 23 ways as a sum of consecutive naturals, for example, 882282 + ... + 896477.

It is an arithmetic number, because the mean of its divisors is an integer number (651026160).

Almost surely, 212625631382 is an apocalyptic number.

12625631382 is an abundant number, since it is smaller than the sum of its proper divisors (18623624298).

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

12625631382 is a wasteful number, since it uses less digits than its factorization.

12625631382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778797 (or 1778784 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The spelling of 12625631382 in words is "twelve billion, six hundred twenty-five million, six hundred thirty-one thousand, three hundred eighty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 169 182 273 338 507 546 1014 1183 2366 3549 7098 1778759 3557518 5336277 10672554 12451313 23123867 24902626 37353939 46247734 69371601 74707878 138743202 161867069 300610271 323734138 485601207 601220542 901830813 971202414 1803661626 2104271897 4208543794 6312815691 12625631382