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12676240731 = 371154875501
BaseRepresentation
bin10111100111001000…
…00001010101011011
31012201102120202020110
423303210001111123
5201430104200411
65453503455403
7626062161030
oct136344012533
935642522213
1012676240731
115415453310
1225592b7563
1312702a567b
1488376d387
154e2ced2a6
hex2f390155b

12676240731 has 16 divisors (see below), whose sum is σ = 21072192768. Its totient is φ = 6585060000.

The previous prime is 12676240729. The next prime is 12676240739. The reversal of 12676240731 is 13704267621.

12676240731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12676240731 - 21 = 12676240729 is a prime.

It is a super-2 number, since 2×126762407312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12676240731.

It is not an unprimeable number, because it can be changed into a prime (12676240739) by changing a digit.

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, 27437520 + ... + 27437981.

It is an arithmetic number, because the mean of its divisors is an integer number (1317012048).

Almost surely, 212676240731 is an apocalyptic number.

12676240731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12676240731 is a deficient number, since it is larger than the sum of its proper divisors (8395952037).

12676240731 is a wasteful number, since it uses less digits than its factorization.

12676240731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54875522.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 12676240731 in words is "twelve billion, six hundred seventy-six million, two hundred forty thousand, seven hundred thirty-one".

Divisors: 1 3 7 11 21 33 77 231 54875501 164626503 384128507 603630511 1152385521 1810891533 4225413577 12676240731