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12629789244 = 223438980831
BaseRepresentation
bin10111100001100101…
…10100101000111100
31012121012011202210000
423300302310220330
5201331211223434
65445124114300
7624656302662
oct136062645074
935535152700
1012629789244
1153a1206656
122545835990
131263790497
1487b51ac32
154ddbc4b99
hex2f0cb4a3c

12629789244 has 30 divisors (see below), whose sum is σ = 33016764704. Its totient is φ = 4209929640.

The previous prime is 12629789213. The next prime is 12629789257. The reversal of 12629789244 is 44298792621.

It is a happy number.

12629789244 is a `hidden beast` number, since 1 + 2 + 629 + 7 + 8 + 9 + 2 + 4 + 4 = 666.

12629789244 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 (54).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 19490092 + ... + 19490739.

Almost surely, 212629789244 is an apocalyptic number.

It is an amenable number.

12629789244 is an abundant number, since it is smaller than the sum of its proper divisors (20386975460).

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

12629789244 is a wasteful number, since it uses less digits than its factorization.

12629789244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38980847 (or 38980836 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 12629789244 in words is "twelve billion, six hundred twenty-nine million, seven hundred eighty-nine thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 38980831 77961662 116942493 155923324 233884986 350827479 467769972 701654958 1052482437 1403309916 2104964874 3157447311 4209929748 6314894622 12629789244