Base | Representation |
---|---|
bin | 111111010101010… |
… | …0100011010111000 |
3 | 12111002201200022021 |
4 | 1332222210122320 |
5 | 13323010312230 |
6 | 550512004224 |
7 | 103442645056 |
oct | 17652443270 |
9 | 5432650267 |
10 | 2125088440 |
11 | 9a0614442 |
12 | 4b3830674 |
13 | 27b3633a7 |
14 | 16233b1d6 |
15 | c6870c7a |
hex | 7eaa46b8 |
2125088440 has 64 divisors (see below), whose sum is σ = 5195520000. Its totient is φ = 779310720.
The previous prime is 2125088431. The next prime is 2125088443. The reversal of 2125088440 is 448805212.
It is a junction number, because it is equal to n+sod(n) for n = 2125088396 and 2125088405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2125088443) 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 15 ways as a sum of consecutive naturals, for example, 21540 + ... + 68659.
It is an arithmetic number, because the mean of its divisors is an integer number (81180000).
Almost surely, 22125088440 is an apocalyptic number.
2125088440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2125088440 is an abundant number, since it is smaller than the sum of its proper divisors (3070431560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2125088440 is a wasteful number, since it uses less digits than its factorization.
2125088440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90260 (or 90256 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 34.
The square root of 2125088440 is about 46098.6815429682. The cubic root of 2125088440 is about 1285.6586307008.
The spelling of 2125088440 in words is "two billion, one hundred twenty-five million, eighty-eight thousand, four hundred forty".
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