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10407989931 = 359167352109
BaseRepresentation
bin10011011000101110…
…10101001010101011
3222212100110200002120
421230113111022223
5132303421134211
64440435202323
7515630311653
oct115427251253
928770420076
1010407989931
114461047979
1220257463a3
13c9b398731
1470a407363
1540daedd06
hex26c5d52ab

10407989931 has 16 divisors (see below), whose sum is σ = 14197075200. Its totient is φ = 6780191648.

The previous prime is 10407989899. The next prime is 10407989939. The reversal of 10407989931 is 13998970401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10407989931 - 25 = 10407989899 is a prime.

It is a super-2 number, since 2×104079899312 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10407989939) 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, 146496 + ... + 205613.

It is an arithmetic number, because the mean of its divisors is an integer number (887317200).

Almost surely, 210407989931 is an apocalyptic number.

10407989931 is a deficient number, since it is larger than the sum of its proper divisors (3789085269).

10407989931 is a wasteful number, since it uses less digits than its factorization.

10407989931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352338.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 10407989931 in words is "ten billion, four hundred seven million, nine hundred eighty-nine thousand, nine hundred thirty-one".

Divisors: 1 3 59 167 177 501 9853 29559 352109 1056327 20774431 58802203 62323293 176406609 3469329977 10407989931