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12748693159512 = 23323075081113513
BaseRepresentation
bin1011100110000100100101…
…0100111011111001011000
31200010202121100100022000200
42321201021110323321120
53132333310422101022
643040400242502200
72454030333611142
oct271411124737130
950122540308020
1012748693159512
114075765a26992
12151a947664960
13716272c37b3b
1432107bc31c92
15171951c7abac
hexb984953be58

12748693159512 has 96 divisors (see below), whose sum is σ = 34647301568880. Its totient is φ = 4234851210240.

The previous prime is 12748693159453. The next prime is 12748693159529. The reversal of 12748693159512 is 21595139684721.

It is a happy number.

12748693159512 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 8 + 6 + 9 + 31 + 595 + 1 + 2 = 666.

12748693159512 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 2×127486931595122 (a number of 27 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 12748693159512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112253668 + ... + 112367180.

Almost surely, 212748693159512 is an apocalyptic number.

12748693159512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12748693159512 is an abundant number, since it is smaller than the sum of its proper divisors (21898608409368).

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

12748693159512 is a wasteful number, since it uses less digits than its factorization.

12748693159512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118913 (or 118906 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 12748693159512 in words is "twelve trillion, seven hundred forty-eight billion, six hundred ninety-three million, one hundred fifty-nine thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 307 614 921 1228 1842 2456 2763 3684 5081 5526 7368 10162 11052 15243 20324 22104 30486 40648 45729 60972 91458 113513 121944 182916 227026 340539 365832 454052 681078 908104 1021617 1362156 1559867 2043234 2724312 3119734 4086468 4679601 6239468 8172936 9359202 12478936 14038803 18718404 28077606 34848491 37436808 56155212 69696982 104545473 112310424 139393964 209090946 278787928 313636419 418181892 576759553 627272838 836363784 1153519106 1254545676 1730278659 2307038212 2509091352 3460557318 4614076424 5190835977 6921114636 10381671954 13842229272 20763343908 41526687816 177065182771 354130365542 531195548313 708260731084 1062391096626 1416521462168 1593586644939 2124782193252 3187173289878 4249564386504 6374346579756 12748693159512