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12896491053 = 3197310330091
BaseRepresentation
bin11000000001011000…
…01101011000101101
31020021210000121212210
430000230031120231
5202403000203203
65531412321033
7634405236165
oct140054153055
936253017783
1012896491053
115518807676
1225bb013179
1312a6acccc4
148a4b035a5
15507307803
hex300b0d62d

12896491053 has 32 divisors (see below), whose sum is σ = 18527042560. Its totient is φ = 7955314560.

The previous prime is 12896491037. The next prime is 12896491063. The reversal of 12896491053 is 35019469821.

It is not a de Polignac number, because 12896491053 - 24 = 12896491037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12896490993 and 12896491011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12896491063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413538 + ... + 443628.

It is an arithmetic number, because the mean of its divisors is an integer number (578970080).

Almost surely, 212896491053 is an apocalyptic number.

It is an amenable number.

12896491053 is a deficient number, since it is larger than the sum of its proper divisors (5630551507).

12896491053 is a wasteful number, since it uses less digits than its factorization.

12896491053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30289.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 12896491053 in words is "twelve billion, eight hundred ninety-six million, four hundred ninety-one thousand, fifty-three".

Divisors: 1 3 19 57 73 103 219 309 1387 1957 4161 5871 7519 22557 30091 90273 142861 428583 571729 1715187 2196643 3099373 6589929 9298119 41736217 58888087 125208651 176664261 226254229 678762687 4298830351 12896491053