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12480787207 = 72254709943
BaseRepresentation
bin10111001111110100…
…11011001100000111
31012012210210200102001
423213322123030013
5201030040142312
65422242330131
7621166640500
oct134772331407
935183720361
1012480787207
115325096179
122503959947
13123b9508b5
14865811ba7
154d0a91057
hex2e7e9b307

12480787207 has 6 divisors (see below), whose sum is σ = 14518466808. Its totient is φ = 10697817564.

The previous prime is 12480787181. The next prime is 12480787219. The reversal of 12480787207 is 70278708421.

It is not a de Polignac number, because 12480787207 - 27 = 12480787079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480787307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127354923 + ... + 127355020.

It is an arithmetic number, because the mean of its divisors is an integer number (2419744468).

Almost surely, 212480787207 is an apocalyptic number.

12480787207 is a deficient number, since it is larger than the sum of its proper divisors (2037679601).

12480787207 is an equidigital number, since it uses as much as digits as its factorization.

12480787207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254709957 (or 254709950 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 46.

The spelling of 12480787207 in words is "twelve billion, four hundred eighty million, seven hundred eighty-seven thousand, two hundred seven".

Divisors: 1 7 49 254709943 1782969601 12480787207