Base | Representation |
---|---|
bin | 10010101011110011… |
… | …01001110001000000 |
3 | 221220002022020201020 |
4 | 21111321221301000 |
5 | 131020431024412 |
6 | 4335213305440 |
7 | 503403016152 |
oct | 112571516100 |
9 | 27802266636 |
10 | 10031111232 |
11 | 428833437a |
12 | 1b3b495280 |
13 | c3b29119c |
14 | 6b2340ad2 |
15 | 3da9a618c |
hex | 255e69c40 |
10031111232 has 56 divisors (see below), whose sum is σ = 26621000352. Its totient is φ = 3333580800.
The previous prime is 10031111219. The next prime is 10031111243. The reversal of 10031111232 is 23211113001.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15369 + ... + 142472.
Almost surely, 210031111232 is an apocalyptic number.
10031111232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10031111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13310500176).
10031111232 is an abundant number, since it is smaller than the sum of its proper divisors (16589889120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031111232 is a wasteful number, since it uses less digits than its factorization.
10031111232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158187 (or 158177 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 10031111232 its reverse (23211113001), we get a palindrome (33242224233).
The spelling of 10031111232 in words is "ten billion, thirty-one million, one hundred eleven thousand, two hundred thirty-two".
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