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9976537050481 = 18615813922217
BaseRepresentation
bin1001000100101101011111…
…1100100110110101110001
31022022202012000112220220001
42101023113330212311301
52301423421441103411
633115054032350001
72046531613512541
oct221132774466561
938282160486801
109976537050481
1131a7031093851
12115162a0a5301
13574a251b7441
14266c1cd71321
151247a5187dc1
hex912d7f26d71

9976537050481 has 8 divisors (see below), whose sum is σ = 9983625891624. Its totient is φ = 9969450069120.

The previous prime is 9976537050479. The next prime is 9976537050497. The reversal of 9976537050481 is 1840507356799.

It can be written as a sum of positive squares in 4 ways, for example, as 1615735885456 + 8360801165025 = 1271116^2 + 2891505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9976537050481 - 21 = 9976537050479 is a prime.

It is a super-2 number, since 2×99765370504812 (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 (9976537050881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10356885 + ... + 11279101.

It is an arithmetic number, because the mean of its divisors is an integer number (1247953236453).

Almost surely, 29976537050481 is an apocalyptic number.

It is an amenable number.

9976537050481 is a deficient number, since it is larger than the sum of its proper divisors (7088841143).

9976537050481 is a wasteful number, since it uses less digits than its factorization.

9976537050481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929891.

The product of its (nonzero) digits is 57153600, while the sum is 64.

The spelling of 9976537050481 in words is "nine trillion, nine hundred seventy-six billion, five hundred thirty-seven million, fifty thousand, four hundred eighty-one".

Divisors: 1 1861 5813 922217 10817993 1716245837 5360847421 9976537050481