Base | Representation |
---|---|
bin | 10010110100010010… |
… | …10101011101010100 |
3 | 222002001022121011120 |
4 | 21122021111131110 |
5 | 131142144044340 |
6 | 4350240003540 |
7 | 505226253462 |
oct | 113211253524 |
9 | 28061277146 |
10 | 10102331220 |
11 | 4314558a73 |
12 | 1b5b3005b0 |
13 | c4cc690a7 |
14 | 6bb99d832 |
15 | 3e1d734d0 |
hex | 25a255754 |
10102331220 has 48 divisors (see below), whose sum is σ = 28306239360. Its totient is φ = 2692077696.
The previous prime is 10102331203. The next prime is 10102331233. The reversal of 10102331220 is 2213320101.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 10102331220.
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, 29241 + ... + 145119.
It is an arithmetic number, because the mean of its divisors is an integer number (589713320).
Almost surely, 210102331220 is an apocalyptic number.
10102331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10102331220 is an abundant number, since it is smaller than the sum of its proper divisors (18203908140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10102331220 is a wasteful number, since it uses less digits than its factorization.
10102331220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117344 (or 117342 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 10102331220 its reverse (2213320101), we get a palindrome (12315651321).
The spelling of 10102331220 in words is "ten billion, one hundred two million, three hundred thirty-one thousand, two hundred twenty".
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