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79142224197 = 391928705921
BaseRepresentation
bin100100110110100111…
…1101000000101000101
321120021120001112210210
41021231033220011011
52244040402133242
6100205112310033
75501134543341
oct1115517500505
9246246045723
1079142224197
11306227a4463
12134086a2319
13760350347a
143b8ac90621
1520d3032d9c
hex126d3e8145

79142224197 has 8 divisors (see below), whose sum is σ = 105637792960. Its totient is φ = 52704069120.

The previous prime is 79142224193. The next prime is 79142224207.

79142224197 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 79142224197 - 22 = 79142224193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79142224193) 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 7 ways as a sum of consecutive naturals, for example, 14350204 + ... + 14355717.

It is an arithmetic number, because the mean of its divisors is an integer number (13204724120).

Almost surely, 279142224197 is an apocalyptic number.

It is an amenable number.

79142224197 is a deficient number, since it is larger than the sum of its proper divisors (26495568763).

79142224197 is a wasteful number, since it uses less digits than its factorization.

79142224197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28706843.

The product of its digits is 508032, while the sum is 48.

The spelling of 79142224197 in words is "seventy-nine billion, one hundred forty-two million, two hundred twenty-four thousand, one hundred ninety-seven".

Divisors: 1 3 919 2757 28705921 86117763 26380741399 79142224197