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12712637055 = 352952156093
BaseRepresentation
bin10111101011011101…
…10111001001111111
31012210222001212121110
423311232313021333
5202013413341210
65501243533103
7630013426536
oct136556671177
935728055543
1012712637055
115433a52418
12256952a193
1312779a9b61
1488852531d
154e60dc420
hex2f5bb727f

12712637055 has 32 divisors (see below), whose sum is σ = 21082368960. Its totient is φ = 6533596160.

The previous prime is 12712636991. The next prime is 12712637129. The reversal of 12712637055 is 55073621721.

It is a happy number.

It is not a de Polignac number, because 12712637055 - 26 = 12712636991 is a prime.

It is a super-2 number, since 2×127126370552 (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 in 31 ways as a sum of consecutive naturals, for example, 198589 + ... + 254681.

It is an arithmetic number, because the mean of its divisors is an integer number (658824030).

Almost surely, 212712637055 is an apocalyptic number.

12712637055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12712637055 is a deficient number, since it is larger than the sum of its proper divisors (8369731905).

12712637055 is a wasteful number, since it uses less digits than its factorization.

12712637055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56651.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 12712637055 in words is "twelve billion, seven hundred twelve million, six hundred thirty-seven thousand, fifty-five".

Divisors: 1 3 5 15 29 87 145 435 521 1563 2605 7815 15109 45327 56093 75545 168279 226635 280465 841395 1626697 4880091 8133485 24400455 29224453 87673359 146122265 438366795 847509137 2542527411 4237545685 12712637055