Base | Representation |
---|---|
bin | 1001100001001100… |
… | …0011011110110110 |
3 | 20121001221010221020 |
4 | 2120103003132312 |
5 | 20213103204310 |
6 | 1101313202010 |
7 | 120214155636 |
oct | 23023033666 |
9 | 6531833836 |
10 | 2555131830 |
11 | 10a133a3a9 |
12 | 5b3860306 |
13 | 319493634 |
14 | 1a34c26c6 |
15 | ee4bb170 |
hex | 984c37b6 |
2555131830 has 32 divisors (see below), whose sum is σ = 6136432128. Its totient is φ = 680911200.
The previous prime is 2555131783. The next prime is 2555131861. The reversal of 2555131830 is 381315552.
2555131830 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2555131791 and 2555131800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18115 + ... + 73745.
It is an arithmetic number, because the mean of its divisors is an integer number (191763504).
Almost surely, 22555131830 is an apocalyptic number.
2555131830 is an abundant number, since it is smaller than the sum of its proper divisors (3581300298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2555131830 is a wasteful number, since it uses less digits than its factorization.
2555131830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57172.
The product of its (nonzero) digits is 18000, while the sum is 33.
The square root of 2555131830 is about 50548.3118412475. The cubic root of 2555131830 is about 1367.1130765226.
The spelling of 2555131830 in words is "two billion, five hundred fifty-five million, one hundred thirty-one thousand, eight hundred thirty".
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