Base | Representation |
---|---|
bin | 100101000101001101… |
… | …1111100100001101111 |
3 | 21121112200122101012222 |
4 | 1022022123330201233 |
5 | 2301041242233233 |
6 | 100325445545555 |
7 | 5516232525506 |
oct | 1121233744157 |
9 | 247480571188 |
10 | 79631992943 |
11 | 30854202a18 |
12 | 135247152bb |
13 | 7680b15669 |
14 | 3bd5d4183d |
15 | 2111029898 |
hex | 128a6fc86f |
79631992943 has 16 divisors (see below), whose sum is σ = 84532333536. Its totient is φ = 74755891200.
The previous prime is 79631992933. The next prime is 79631993033. The reversal of 79631992943 is 34929913697.
It is a cyclic number.
It is not a de Polignac number, because 79631992943 - 26 = 79631992879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79631992933) 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, 16584143 + ... + 16588943.
It is an arithmetic number, because the mean of its divisors is an integer number (5283270846).
Almost surely, 279631992943 is an apocalyptic number.
79631992943 is a deficient number, since it is larger than the sum of its proper divisors (4900340593).
79631992943 is a wasteful number, since it uses less digits than its factorization.
79631992943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7114.
The product of its digits is 19840464, while the sum is 62.
The spelling of 79631992943 in words is "seventy-nine billion, six hundred thirty-one million, nine hundred ninety-two thousand, nine hundred forty-three".
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