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13867642032 = 2433716214817
BaseRepresentation
bin11001110101001001…
…10110110010110000
31022210110102012120120
430322210312302300
5211400104021112
610212023410240
71000440004146
oct147244666260
938713365516
1013867642032
115976a16792
1228302b3980
13140007905a
14957aa1596
155626dae8c
hex33a936cb0

13867642032 has 80 divisors (see below), whose sum is σ = 36823318752. Its totient is φ = 4493905920.

The previous prime is 13867642031. The next prime is 13867642049. The reversal of 13867642032 is 23024676831.

13867642032 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 2×138676420322 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13867642031) 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, 2876488 + ... + 2881304.

Almost surely, 213867642032 is an apocalyptic number.

13867642032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13867642032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18411659376).

13867642032 is an abundant number, since it is smaller than the sum of its proper divisors (22955676720).

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

13867642032 is a wasteful number, since it uses less digits than its factorization.

13867642032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486 (or 6480 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 13867642032 in words is "thirteen billion, eight hundred sixty-seven million, six hundred forty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1621 1776 3242 4817 4863 6484 9634 9726 12968 14451 19268 19452 25936 28902 38536 38904 57804 59977 77072 77808 115608 119954 178229 179931 231216 239908 356458 359862 479816 534687 712916 719724 959632 1069374 1425832 1439448 2138748 2851664 2878896 4277496 7808357 8554992 15616714 23425071 31233428 46850142 62466856 93700284 124933712 187400568 288909209 374801136 577818418 866727627 1155636836 1733455254 2311273672 3466910508 4622547344 6933821016 13867642032