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12255434451231 = 331433064624769
BaseRepresentation
bin1011001001010111000011…
…0100010010100100011111
31121101121102022001200112020
42302111300310102210133
53101243112204414411
642022022512511223
72403266043016266
oct262256064224437
947347368050466
1012255434451231
1139a5556281764
12145b22824b513
136ab8b462199a
143052480635dd
15163bd2dac606
hexb2570d1291f

12255434451231 has 16 divisors (see below), whose sum is σ = 17259966704640. Its totient is φ = 7722854415360.

The previous prime is 12255434451133. The next prime is 12255434451251. The reversal of 12255434451231 is 13215443455221.

It is not a de Polignac number, because 12255434451231 - 27 = 12255434451103 is a prime.

It is a super-2 number, since 2×122554344512312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255434451251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1532308386 + ... + 1532316383.

It is an arithmetic number, because the mean of its divisors is an integer number (1078747919040).

Almost surely, 212255434451231 is an apocalyptic number.

12255434451231 is a deficient number, since it is larger than the sum of its proper divisors (5004532253409).

12255434451231 is a wasteful number, since it uses less digits than its factorization.

12255434451231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064624846.

The product of its digits is 576000, while the sum is 42.

The spelling of 12255434451231 in words is "twelve trillion, two hundred fifty-five billion, four hundred thirty-four million, four hundred fifty-one thousand, two hundred thirty-one".

Divisors: 1 3 31 43 93 129 1333 3999 3064624769 9193874307 95003367839 131778865067 285010103517 395336595201 4085144817077 12255434451231