Base | Representation |
---|---|
bin | 100101000101100001… |
… | …1101000001011001001 |
3 | 21121120102012212121211 |
4 | 1022023003220023021 |
5 | 2301101423122322 |
6 | 100330500533121 |
7 | 5516420122261 |
oct | 1121303501311 |
9 | 247512185554 |
10 | 79642395337 |
11 | 3085a06843a |
12 | 135280b11a1 |
13 | 768301841b |
14 | 3bd748c7a1 |
15 | 2111dd1b77 |
hex | 128b0e82c9 |
79642395337 has 16 divisors (see below), whose sum is σ = 82433758720. Its totient is φ = 76865241600.
The previous prime is 79642395331. The next prime is 79642395359. The reversal of 79642395337 is 73359324697.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-79642395337 is a prime.
It is a super-2 number, since 2×796423953372 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79642395331) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22300762 + ... + 22304332.
It is an arithmetic number, because the mean of its divisors is an integer number (5152109920).
Almost surely, 279642395337 is an apocalyptic number.
It is an amenable number.
79642395337 is a deficient number, since it is larger than the sum of its proper divisors (2791363383).
79642395337 is a wasteful number, since it uses less digits than its factorization.
79642395337 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5344.
The product of its digits is 25719120, while the sum is 58.
The spelling of 79642395337 in words is "seventy-nine billion, six hundred forty-two million, three hundred ninety-five thousand, three hundred thirty-seven".
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