Base | Representation |
---|---|
bin | 10011001010100000… |
… | …01110111111110010 |
3 | 222120000222120011200 |
4 | 21211100032333302 |
5 | 132032401023023 |
6 | 4420534152030 |
7 | 512651262150 |
oct | 114520167762 |
9 | 28500876150 |
10 | 10288689138 |
11 | 43aa773482 |
12 | 1bb17b2616 |
13 | c7c757b50 |
14 | 6d86303d0 |
15 | 4033d5743 |
hex | 26540eff2 |
10288689138 has 96 divisors (see below), whose sum is σ = 28321692672. Its totient is φ = 2625955200.
The previous prime is 10288689137. The next prime is 10288689149. The reversal of 10288689138 is 83198688201.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10288689137) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50533 + ... + 152088.
It is an arithmetic number, because the mean of its divisors is an integer number (295017632).
Almost surely, 210288689138 is an apocalyptic number.
10288689138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
10288689138 is an abundant number, since it is smaller than the sum of its proper divisors (18033003534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10288689138 is a wasteful number, since it uses less digits than its factorization.
10288689138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202680 (or 202677 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 54.
The spelling of 10288689138 in words is "ten billion, two hundred eighty-eight million, six hundred eighty-nine thousand, one hundred thirty-eight".
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