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12750115469231 = 79671883603999
BaseRepresentation
bin1011100110001001111000…
…0110100111011110101111
31200010220021110200010011102
42321202132012213132233
53132344214030003411
643041153331513315
72454110514212540
oct271423606473657
950126243603142
1012750115469231
114076325873268
12151b083a5883b
1371643b7c811a
14321174ab04c7
151719d6a7ad3b
hexb989e1a77af

12750115469231 has 8 divisors (see below), whose sum is σ = 14586629376000. Its totient is φ = 10917368772408.

The previous prime is 12750115469173. The next prime is 12750115469251. The reversal of 12750115469231 is 13296451105721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12750115469231 - 226 = 12750048360367 is a prime.

It is a super-2 number, since 2×127501154692312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750115469251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941795231 + ... + 941808768.

It is an arithmetic number, because the mean of its divisors is an integer number (1823328672000).

Almost surely, 212750115469231 is an apocalyptic number.

12750115469231 is a deficient number, since it is larger than the sum of its proper divisors (1836513906769).

12750115469231 is an equidigital number, since it uses as much as digits as its factorization.

12750115469231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883604973.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 12750115469231 in words is "twelve trillion, seven hundred fifty billion, one hundred fifteen million, four hundred sixty-nine thousand, two hundred thirty-one".

Divisors: 1 7 967 6769 1883603999 13185227993 1821445067033 12750115469231