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12750434968 = 231593804371
BaseRepresentation
bin10111101111111110…
…00011001010011000
31012220121012012121011
423313333003022120
5202103102404333
65505114023304
7630652623535
oct136777031230
935817165534
1012750434968
115453319567
12257a117b34
13128278229b
1488d563d8c
154e95a69cd
hex2f7fc3298

12750434968 has 8 divisors (see below), whose sum is σ = 23907065580. Its totient is φ = 6375217480.

The previous prime is 12750434909. The next prime is 12750434981. The reversal of 12750434968 is 86943405721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×127504349682 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 796902178 + ... + 796902193.

It is a 1-persistent number, because it is pandigital, but 2⋅12750434968 = 25500869936 is not.

Almost surely, 212750434968 is an apocalyptic number.

It is an amenable number.

12750434968 is a deficient number, since it is larger than the sum of its proper divisors (11156630612).

12750434968 is a wasteful number, since it uses less digits than its factorization.

12750434968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593804377 (or 1593804373 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 12750434968 in words is "twelve billion, seven hundred fifty million, four hundred thirty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1593804371 3187608742 6375217484 12750434968