Base | Representation |
---|---|
bin | 10011011000101110… |
… | …10101001010101011 |
3 | 222212100110200002120 |
4 | 21230113111022223 |
5 | 132303421134211 |
6 | 4440435202323 |
7 | 515630311653 |
oct | 115427251253 |
9 | 28770420076 |
10 | 10407989931 |
11 | 4461047979 |
12 | 20257463a3 |
13 | c9b398731 |
14 | 70a407363 |
15 | 40daedd06 |
hex | 26c5d52ab |
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".
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