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8634148634489 = 76756332699287
BaseRepresentation
bin111110110100100101101…
…0111001011111101111001
31010120102020122220211100212
41331221023113023331321
52112430214022300424
630210250110040505
71550540152321340
oct175511327137571
933512218824325
108634148634489
1128297a38a3304
12b75432aa9135
134a8273279661
1421bc75d32b57
15ee8d9c4210e
hex7da4b5cbf79

8634148634489 has 16 divisors (see below), whose sum is σ = 10032664747008. Its totient is φ = 7277291497872.

The previous prime is 8634148634473. The next prime is 8634148634497. The reversal of 8634148634489 is 9844368414368.

It is a cyclic number.

It is not a de Polignac number, because 8634148634489 - 24 = 8634148634473 is a prime.

It is a super-2 number, since 2×86341486344892 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8634148634989) 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, 16085597 + ... + 16613690.

It is an arithmetic number, because the mean of its divisors is an integer number (627041546688).

Almost surely, 28634148634489 is an apocalyptic number.

It is an amenable number.

8634148634489 is a deficient number, since it is larger than the sum of its proper divisors (1398516112519).

8634148634489 is a wasteful number, since it uses less digits than its factorization.

8634148634489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32699924.

The product of its digits is 382205952, while the sum is 68.

The spelling of 8634148634489 in words is "eight trillion, six hundred thirty-four billion, one hundred forty-eight million, six hundred thirty-four thousand, four hundred eighty-nine".

Divisors: 1 7 67 469 563 3941 37721 264047 32699287 228895009 2190852229 15335965603 18409698581 128867890067 1233449804927 8634148634489