Base | Representation |
---|---|
bin | 100100110110101000… |
… | …0110100100001100111 |
3 | 21120021120122110022220 |
4 | 1021231100310201213 |
5 | 2244040442143234 |
6 | 100205123123423 |
7 | 5501140316256 |
oct | 1115520644147 |
9 | 246246573286 |
10 | 79142537319 |
11 | 3062299873a |
12 | 13408813573 |
13 | 76035b2b51 |
14 | 3b8ad3279d |
15 | 20d3095a49 |
hex | 126d434867 |
79142537319 has 16 divisors (see below), whose sum is σ = 114907497600. Its totient is φ = 48261146976.
The previous prime is 79142537291. The next prime is 79142537321. The reversal of 79142537319 is 91373524197.
It is not a de Polignac number, because 79142537319 - 27 = 79142537191 is a prime.
It is a super-2 number, since 2×791425373192 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79142537219) 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, 23937409 + ... + 23940714.
It is an arithmetic number, because the mean of its divisors is an integer number (7181718600).
Almost surely, 279142537319 is an apocalyptic number.
79142537319 is a deficient number, since it is larger than the sum of its proper divisors (35764960281).
79142537319 is a wasteful number, since it uses less digits than its factorization.
79142537319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47878174.
The product of its digits is 1428840, while the sum is 51.
The spelling of 79142537319 in words is "seventy-nine billion, one hundred forty-two million, five hundred thirty-seven thousand, three hundred nineteen".
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