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79130040971 = 473581470153
BaseRepresentation
bin100100110110010000…
…1001001101010001011
321120020201010120120012
41021230201021222023
52244024242302341
6100203555222135
75500626151622
oct1115441115213
9246221116505
1079130040971
1130616932a83
12134045a794b
137600b28c67
143b893dc6b9
1520d1e280eb
hex126c849a8b

79130040971 has 8 divisors (see below), whose sum is σ = 80836398144. Its totient is φ = 77424631360.

The previous prime is 79130040967. The next prime is 79130040989. The reversal of 79130040971 is 17904003197.

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 79130040971 - 22 = 79130040967 is a prime.

It is a super-3 number, since 3×791300409713 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79130040931) 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, 66770 + ... + 403383.

It is an arithmetic number, because the mean of its divisors is an integer number (10104549768).

Almost surely, 279130040971 is an apocalyptic number.

79130040971 is a deficient number, since it is larger than the sum of its proper divisors (1706357173).

79130040971 is a wasteful number, since it uses less digits than its factorization.

79130040971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473781.

The product of its (nonzero) digits is 47628, while the sum is 41.

The spelling of 79130040971 in words is "seventy-nine billion, one hundred thirty million, forty thousand, nine hundred seventy-one".

Divisors: 1 47 3581 168307 470153 22097191 1683617893 79130040971