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63407130809 = 11197310613917
BaseRepresentation
bin111011000011010111…
…000000100010111001
320001122221200222120012
4323003113000202321
52014324211141214
645043454511305
74403200501451
oct730327004271
9201587628505
1063407130809
1124988743950
1210356b05535
135c965ab919
1430d7198d61
1519b191803e
hexec35c08b9

63407130809 has 32 divisors (see below), whose sum is σ = 73897868160. Its totient is φ = 53796441600.

The previous prime is 63407130781. The next prime is 63407130833. The reversal of 63407130809 is 90803170436.

It is a de Polignac number, because none of the positive numbers 2k-63407130809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63407130109) 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, 16185719 + ... + 16189635.

It is an arithmetic number, because the mean of its divisors is an integer number (2309308380).

Almost surely, 263407130809 is an apocalyptic number.

It is an amenable number.

63407130809 is a deficient number, since it is larger than the sum of its proper divisors (10490737351).

63407130809 is a wasteful number, since it uses less digits than its factorization.

63407130809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 63407130809 in words is "sixty-three billion, four hundred seven million, one hundred thirty thousand, eight hundred nine".

Divisors: 1 11 19 73 209 803 1061 1387 3917 11671 15257 20159 43087 74423 77453 221749 285941 818653 851983 1471607 3145351 4155937 5432879 16187677 45715307 59761669 78962803 303383401 868590833 3337217411 5764284619 63407130809