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12461217032 = 23111939718773
BaseRepresentation
bin10111001101011111…
…10001010100001000
31012011102222102011202
423212233301110020
5201010032421112
65420303043332
7620541411545
oct134657612410
935142872152
1012461217032
115315039880
1224b92a0548
13123788b004
14862d99bcc
154cdec76c2
hex2e6bf1508

12461217032 has 64 divisors (see below), whose sum is σ = 26899387200. Its totient is φ = 5352272640.

The previous prime is 12461217023. The next prime is 12461217077. The reversal of 12461217032 is 23071216421.

12461217032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12461216986 and 12461217004.

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, 654398 + ... + 673170.

It is an arithmetic number, because the mean of its divisors is an integer number (420302925).

Almost surely, 212461217032 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 12461217032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13449693600).

12461217032 is an abundant number, since it is smaller than the sum of its proper divisors (14438170168).

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

12461217032 is a wasteful number, since it uses less digits than its factorization.

12461217032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19206 (or 19202 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 12461217032 in words is "twelve billion, four hundred sixty-one million, two hundred seventeen thousand, thirty-two".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 397 418 794 836 1588 1672 3176 4367 7543 8734 15086 17468 18773 30172 34936 37546 60344 75092 82973 150184 165946 206503 331892 356687 413006 663784 713374 826012 1426748 1652024 2853496 3923557 7452881 7847114 14905762 15694228 29811524 31388456 59623048 81981691 141604739 163963382 283209478 327926764 566418956 655853528 1132837912 1557652129 3115304258 6230608516 12461217032