Base | Representation |
---|---|
bin | 1001110101111100… |
… | …1010011011001111 |
3 | 20211010202021010220 |
4 | 2131133022123033 |
5 | 20402400121304 |
6 | 1114103202423 |
7 | 122322155622 |
oct | 23537123317 |
9 | 6733667126 |
10 | 2642192079 |
11 | 11364a301a |
12 | 618a46413 |
13 | 331526487 |
14 | 1b0ca5db9 |
15 | 106e66ad9 |
hex | 9d7ca6cf |
2642192079 has 16 divisors (see below), whose sum is σ = 3713498880. Its totient is φ = 1666431360.
The previous prime is 2642192027. The next prime is 2642192107. The reversal of 2642192079 is 9702912462.
It is not a de Polignac number, because 2642192079 - 220 = 2641143503 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2642192079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2642197079) 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, 9559 + ... + 73319.
It is an arithmetic number, because the mean of its divisors is an integer number (232093680).
Almost surely, 22642192079 is an apocalyptic number.
2642192079 is a deficient number, since it is larger than the sum of its proper divisors (1071306801).
2642192079 is a wasteful number, since it uses less digits than its factorization.
2642192079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64510.
The product of its (nonzero) digits is 108864, while the sum is 42.
The square root of 2642192079 is about 51402.2575282448. The cubic root of 2642192079 is about 1382.4670703178.
The spelling of 2642192079 in words is "two billion, six hundred forty-two million, one hundred ninety-two thousand, seventy-nine".
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