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12796371553 = 773139257701
BaseRepresentation
bin10111110101011100…
…10010001001100001
31020000210122000202011
423322232102021201
5202201332342203
65513434352521
7632051235460
oct137256221141
936023560664
1012796371553
115477244389
12259158b741
13128c146cb4
148956c09d7
154ed62c76d
hex2fab92261

12796371553 has 32 divisors (see below), whose sum is σ = 15010894080. Its totient is φ = 10683187200.

The previous prime is 12796371547. The next prime is 12796371571. The reversal of 12796371553 is 35517369721.

12796371553 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 12796371553 - 29 = 12796371041 is a prime.

It is a super-4 number, since 4×127963715534 (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12796371497 and 12796371506.

It is not an unprimeable number, because it can be changed into a prime (12796371593) 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 31 ways as a sum of consecutive naturals, for example, 18254103 + ... + 18254803.

It is an arithmetic number, because the mean of its divisors is an integer number (469090440).

Almost surely, 212796371553 is an apocalyptic number.

It is an amenable number.

12796371553 is a deficient number, since it is larger than the sum of its proper divisors (2214522527).

12796371553 is a wasteful number, since it uses less digits than its factorization.

12796371553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its digits is 1190700, while the sum is 49.

The spelling of 12796371553 in words is "twelve billion, seven hundred ninety-six million, three hundred seventy-one thousand, five hundred fifty-three".

Divisors: 1 7 73 139 257 511 701 973 1799 4907 10147 18761 35723 51173 71029 97439 131327 180157 250061 358211 682073 1261099 2607779 7113047 13151461 18254453 25041823 49791329 92060227 175292761 1828053079 12796371553