Base | Representation |
---|---|
bin | 1000001010110010… |
… | …0110101100000101 |
3 | 12122211000021022000 |
4 | 2002230212230011 |
5 | 13442314342020 |
6 | 1001325455513 |
7 | 105223622262 |
oct | 20254465405 |
9 | 5584007260 |
10 | 2192730885 |
11 | a25815194 |
12 | 512411599 |
13 | 28c387ac7 |
14 | 16b308269 |
15 | cc783090 |
hex | 82b26b05 |
2192730885 has 32 divisors (see below), whose sum is σ = 3920762880. Its totient is φ = 1162684224.
The previous prime is 2192730871. The next prime is 2192730901. The reversal of 2192730885 is 5880372912.
It is a happy number.
It is not a de Polignac number, because 2192730885 - 26 = 2192730821 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2192730885.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23589 + ... + 70298.
It is an arithmetic number, because the mean of its divisors is an integer number (122523840).
Almost surely, 22192730885 is an apocalyptic number.
It is an amenable number.
2192730885 is a deficient number, since it is larger than the sum of its proper divisors (1728031995).
2192730885 is a wasteful number, since it uses less digits than its factorization.
2192730885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94074 (or 94068 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The square root of 2192730885 is about 46826.6044572954. The cubic root of 2192730885 is about 1299.1574194921.
The spelling of 2192730885 in words is "two billion, one hundred ninety-two million, seven hundred thirty thousand, eight hundred eighty-five".
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