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79454934147 = 3129172050397
BaseRepresentation
bin100100111111111100…
…0100001010010000011
321121002100110212012210
41021333320201102003
52300210430343042
6100300122553203
75511652540221
oct1117770412203
9247070425183
1079454934147
113077326a036
1213495368803
137653231444
143bba611b11
152100702a9c
hex127fe21483

79454934147 has 8 divisors (see below), whose sum is σ = 105948165456. Its totient is φ = 52965829472.

The previous prime is 79454934089. The next prime is 79454934157. The reversal of 79454934147 is 74143945497.

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 79454934147 - 28 = 79454933891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79454934157) 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, 986448 + ... + 1063949.

It is an arithmetic number, because the mean of its divisors is an integer number (13243520682).

Almost surely, 279454934147 is an apocalyptic number.

79454934147 is a deficient number, since it is larger than the sum of its proper divisors (26493231309).

79454934147 is a wasteful number, since it uses less digits than its factorization.

79454934147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063317.

The product of its digits is 15240960, while the sum is 57.

The spelling of 79454934147 in words is "seventy-nine billion, four hundred fifty-four million, nine hundred thirty-four thousand, one hundred forty-seven".

Divisors: 1 3 12917 38751 2050397 6151191 26484978049 79454934147