Search a number
-
+
12631016432 = 243072571461
BaseRepresentation
bin10111100001101111…
…00000001111110000
31012121021111010011102
423300313200033300
5201332020011212
65445210303532
7625002603536
oct136067401760
935537433142
1012631016432
1153a1974661
122546127ba8
131263accc28
1487b75a156
154ddd685c2
hex2f0de03f0

12631016432 has 20 divisors (see below), whose sum is σ = 24552319176. Its totient is φ = 6294934080.

The previous prime is 12631016417. The next prime is 12631016459. The reversal of 12631016432 is 23461013621.

12631016432 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 2×126310164322 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12631016395 and 12631016404.

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 3 ways as a sum of consecutive naturals, for example, 1280819 + ... + 1290642.

Almost surely, 212631016432 is an apocalyptic number.

It is an amenable number.

12631016432 is a deficient number, since it is larger than the sum of its proper divisors (11921302744).

12631016432 is a wasteful number, since it uses less digits than its factorization.

12631016432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571776 (or 2571770 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 12631016432 in words is "twelve billion, six hundred thirty-one million, sixteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 307 614 1228 2456 4912 2571461 5142922 10285844 20571688 41143376 789438527 1578877054 3157754108 6315508216 12631016432