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79415297039 = 1343193736097
BaseRepresentation
bin100100111110110000…
…1010100010000001111
321120222120220002022202
41021331201110100033
52300120304001124
6100252145232115
75510661613151
oct1117541242017
9246876802282
1079415297039
11307529570a1
121348403263b
137647c63b30
143bb5254ad1
1520ebec35ae
hex127d85440f

79415297039 has 16 divisors (see below), whose sum is σ = 87966655392. Its totient is φ = 71230537728.

The previous prime is 79415297033. The next prime is 79415297057. The reversal of 79415297039 is 93079251497.

It is a cyclic number.

It is not a de Polignac number, because 79415297039 - 28 = 79415296783 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79415297033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260162 + ... + 475935.

It is an arithmetic number, because the mean of its divisors is an integer number (5497915962).

Almost surely, 279415297039 is an apocalyptic number.

79415297039 is a deficient number, since it is larger than the sum of its proper divisors (8551358353).

79415297039 is a wasteful number, since it uses less digits than its factorization.

79415297039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736346.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 79415297039 in words is "seventy-nine billion, four hundred fifteen million, two hundred ninety-seven thousand, thirty-nine".

Divisors: 1 13 43 193 559 2509 8299 107887 736097 9569261 31652171 142066721 411478223 1846867373 6108869003 79415297039