Base | Representation |
---|---|
bin | 10011001010101010… |
… | …11100101010100000 |
3 | 222120010112222221021 |
4 | 21211111130222200 |
5 | 132033223241330 |
6 | 4421023335224 |
7 | 512666013541 |
oct | 114525345240 |
9 | 28503488837 |
10 | 10290055840 |
11 | 4400517289 |
12 | 1bb2151514 |
13 | c7cb15c4c |
14 | 6d88a84c8 |
15 | 4035a567a |
hex | 26555caa0 |
10290055840 has 48 divisors (see below), whose sum is σ = 24708809160. Its totient is φ = 4048542720.
The previous prime is 10290055823. The next prime is 10290055843. The reversal of 10290055840 is 4855009201.
It can be written as a sum of positive squares in 4 ways, for example, as 6100859664 + 4189196176 = 78108^2 + 64724^2 .
It is a junction number, because it is equal to n+sod(n) for n = 10290055796 and 10290055805.
It is not an unprimeable number, because it can be changed into a prime (10290055843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517395 + ... + 536914.
Almost surely, 210290055840 is an apocalyptic number.
10290055840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10290055840 is an abundant number, since it is smaller than the sum of its proper divisors (14418753320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10290055840 is a wasteful number, since it uses less digits than its factorization.
10290055840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1054385 (or 1054377 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 34.
The spelling of 10290055840 in words is "ten billion, two hundred ninety million, fifty-five thousand, eight hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •