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12898194197 = 727110734649
BaseRepresentation
bin11000000001100101…
…01101001100010101
31020021220020011011012
430000302231030111
5202403414203242
65531513022005
7634425561500
oct140062551425
936256204135
1012898194197
115519770229
1225bb6b4905
1312a7278295
148a5028137
15507542282
hex300cad315

12898194197 has 24 divisors (see below), whose sum is σ = 15357988800. Its totient is φ = 10797702720.

The previous prime is 12898194181. The next prime is 12898194217. The reversal of 12898194197 is 79149189821.

It is not a de Polignac number, because 12898194197 - 24 = 12898194181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898194167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354929 + ... + 389577.

It is an arithmetic number, because the mean of its divisors is an integer number (639916200).

Almost surely, 212898194197 is an apocalyptic number.

It is an amenable number.

12898194197 is a deficient number, since it is larger than the sum of its proper divisors (2459794603).

12898194197 is a wasteful number, since it uses less digits than its factorization.

12898194197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34841 (or 34834 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 59.

The spelling of 12898194197 in words is "twelve billion, eight hundred ninety-eight million, one hundred ninety-four thousand, one hundred ninety-seven".

Divisors: 1 7 49 71 107 497 749 3479 5243 7597 34649 53179 242543 372253 1697801 2460079 3707443 17220553 25952101 120543871 181664707 263228453 1842599171 12898194197