Base | Representation |
---|---|
bin | 111111101100011… |
… | …0111000000001011 |
3 | 12111221120012001001 |
4 | 1333120313000023 |
5 | 13334112120204 |
6 | 552024035431 |
7 | 103651045240 |
oct | 17730670013 |
9 | 5457505031 |
10 | 2137223179 |
11 | 9a7452453 |
12 | 4b7902b77 |
13 | 280a21800 |
14 | 163bb95c7 |
15 | c796b4a4 |
hex | 7f63700b |
2137223179 has 24 divisors (see below), whose sum is σ = 2736128160. Its totient is φ = 1632653568.
The previous prime is 2137223177. The next prime is 2137223197. The reversal of 2137223179 is 9713227312.
It is not a de Polignac number, because 2137223179 - 21 = 2137223177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2137223177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3159 + ... + 65455.
It is an arithmetic number, because the mean of its divisors is an integer number (114005340).
Almost surely, 22137223179 is an apocalyptic number.
2137223179 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
2137223179 is a deficient number, since it is larger than the sum of its proper divisors (598904981).
2137223179 is a wasteful number, since it uses less digits than its factorization.
2137223179 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62359 (or 62346 counting only the distinct ones).
The product of its digits is 31752, while the sum is 37.
The square root of 2137223179 is about 46230.1111722652. Note that the first 4 decimals coincide. The cubic root of 2137223179 is about 1288.1011220566.
It can be divided in two parts, 21372 and 23179, that added together give a triangular number (44551 = T298).
The spelling of 2137223179 in words is "two billion, one hundred thirty-seven million, two hundred twenty-three thousand, one hundred seventy-nine".
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