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13629439292 = 2273179198761
BaseRepresentation
bin11001011000110000…
…01011110100111100
31022011212012020211212
430230120023310330
5210403114024132
610132234103552
7661515215420
oct145430136474
938155166755
1013629439292
115864510517
12278457abb8
1313929072a1
149341b6b80
1554b8375b2
hex32c60bd3c

13629439292 has 48 divisors (see below), whose sum is σ = 28494520320. Its totient is φ = 5581180800.

The previous prime is 13629439277. The next prime is 13629439297. The reversal of 13629439292 is 29293492631.

It is a happy number.

13629439292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136294392922 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13629439292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13629439297) 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 15 ways as a sum of consecutive naturals, for example, 30809 + ... + 167952.

It is an arithmetic number, because the mean of its divisors is an integer number (593635840).

Almost surely, 213629439292 is an apocalyptic number.

It is an amenable number.

13629439292 is an abundant number, since it is smaller than the sum of its proper divisors (14865081028).

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

13629439292 is a wasteful number, since it uses less digits than its factorization.

13629439292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198882 (or 198880 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 50.

The spelling of 13629439292 in words is "thirteen billion, six hundred twenty-nine million, four hundred thirty-nine thousand, two hundred ninety-two".

Divisors: 1 2 4 7 14 28 31 62 79 124 158 217 316 434 553 868 1106 2212 2449 4898 9796 17143 34286 68572 198761 397522 795044 1391327 2782654 5565308 6161591 12323182 15702119 24646364 31404238 43131137 62808476 86262274 109914833 172524548 219829666 439659332 486765689 973531378 1947062756 3407359823 6814719646 13629439292