Base | Representation |
---|---|
bin | 11110111110011011110… |
… | …001100000010010001101 |
3 | 21112111100100022111220020 |
4 | 132332123301200102031 |
5 | 234333404244213133 |
6 | 4305513042212353 |
7 | 306534146436600 |
oct | 36763361402215 |
9 | 7474310274806 |
10 | 2128622257293 |
11 | 75081a853484 |
12 | 2a465b3540b9 |
13 | 125960b8111c |
14 | 75050d9c337 |
15 | 3a584de60b3 |
hex | 1ef9bc6048d |
2128622257293 has 12 divisors (see below), whose sum is σ = 3301536562560. Its totient is φ = 1216355575512.
The previous prime is 2128622257261. The next prime is 2128622257339. The reversal of 2128622257293 is 3927522268212.
It is not a de Polignac number, because 2128622257293 - 25 = 2128622257261 is a prime.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128622257253) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7240211613 + ... + 7240211906.
It is an arithmetic number, because the mean of its divisors is an integer number (275128046880).
Almost surely, 22128622257293 is an apocalyptic number.
It is an amenable number.
2128622257293 is a deficient number, since it is larger than the sum of its proper divisors (1172914305267).
2128622257293 is a wasteful number, since it uses less digits than its factorization.
2128622257293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14480423536 (or 14480423529 counting only the distinct ones).
The product of its digits is 2903040, while the sum is 51.
The spelling of 2128622257293 in words is "two trillion, one hundred twenty-eight billion, six hundred twenty-two million, two hundred fifty-seven thousand, two hundred ninety-three".
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