Base | Representation |
---|---|
bin | 111111010101000… |
… | …0111001110001000 |
3 | 12111002111121020122 |
4 | 1332222013032020 |
5 | 13322443000330 |
6 | 550505242412 |
7 | 103441636301 |
oct | 17652071610 |
9 | 5432447218 |
10 | 2124968840 |
11 | 9a05425a5 |
12 | 4b3793408 |
13 | 27b320b17 |
14 | 1623097a8 |
15 | c684a5e5 |
hex | 7ea87388 |
2124968840 has 32 divisors (see below), whose sum is σ = 4892374080. Its totient is φ = 830219712.
The previous prime is 2124968831. The next prime is 2124968887. The reversal of 2124968840 is 488694212.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 2124968791 and 2124968800.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616004 + ... + 619443.
It is an arithmetic number, because the mean of its divisors is an integer number (152886690).
Almost surely, 22124968840 is an apocalyptic number.
2124968840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2124968840 is an abundant number, since it is smaller than the sum of its proper divisors (2767405240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2124968840 is a wasteful number, since it uses less digits than its factorization.
2124968840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1235501 (or 1235497 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 44.
The square root of 2124968840 is about 46097.3843075722. The cubic root of 2124968840 is about 1285.6345112879.
The spelling of 2124968840 in words is "two billion, one hundred twenty-four million, nine hundred sixty-eight thousand, eight hundred forty".
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