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13638027576 = 23343101130843
BaseRepresentation
bin11001011001110001…
…11100100100111000
31022012110100120202110
430230320330210320
5210412313340301
610133142132320
7661651215225
oct145470744470
938173316673
1013638027576
115869346a78
1227874210a0
131394623404
149353b094c
1554c4820d6
hex32ce3c938

13638027576 has 64 divisors (see below), whose sum is σ = 35233672320. Its totient is φ = 4396291200.

The previous prime is 13638027551. The next prime is 13638027593. The reversal of 13638027576 is 67572083631.

13638027576 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-3 number, since 3×136380275763 (a number of 31 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 38811 + ... + 169653.

It is an arithmetic number, because the mean of its divisors is an integer number (550526130).

Almost surely, 213638027576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13638027576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17616836160).

13638027576 is an abundant number, since it is smaller than the sum of its proper divisors (21595644744).

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

13638027576 is a wasteful number, since it uses less digits than its factorization.

13638027576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130996 (or 130992 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 13638027576 in words is "thirteen billion, six hundred thirty-eight million, twenty-seven thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 43 86 101 129 172 202 258 303 344 404 516 606 808 1032 1212 2424 4343 8686 13029 17372 26058 34744 52116 104232 130843 261686 392529 523372 785058 1046744 1570116 3140232 5626249 11252498 13215143 16878747 22504996 26430286 33757494 39645429 45009992 52860572 67514988 79290858 105721144 135029976 158581716 317163432 568251149 1136502298 1704753447 2273004596 3409506894 4546009192 6819013788 13638027576