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63130963 = 7210712041
BaseRepresentation
bin1111000011010…
…0110101010011
311101210101101211
43300310311103
5112130142323
610133040551
71364414200
oct360646523
9141711354
1063130963
11326aa255
1219186157
13101050cc
148554ca7
15582070d
hex3c34d53

63130963 has 12 divisors (see below), whose sum is σ = 74130552. Its totient is φ = 53602080.

The previous prime is 63130961. The next prime is 63130981. The reversal of 63130963 is 36903136.

It is not a de Polignac number, because 63130963 - 21 = 63130961 is a prime.

It is a super-5 number, since 5×631309635 (a number of 40 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63130961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778 + ... + 11263.

It is an arithmetic number, because the mean of its divisors is an integer number (6177546).

Almost surely, 263130963 is an apocalyptic number.

63130963 is a deficient number, since it is larger than the sum of its proper divisors (10999589).

63130963 is a wasteful number, since it uses less digits than its factorization.

63130963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 63130963 is about 7945.4995437669. The cubic root of 63130963 is about 398.1812491470.

The spelling of 63130963 in words is "sixty-three million, one hundred thirty thousand, nine hundred sixty-three".

Divisors: 1 7 49 107 749 5243 12041 84287 590009 1288387 9018709 63130963