Base | Representation |
---|---|
bin | 10010101000000110… |
… | …11100000101110111 |
3 | 221210220222211210110 |
4 | 21110003130011313 |
5 | 130440012402411 |
6 | 4332145154103 |
7 | 502545431211 |
oct | 112403340567 |
9 | 27726884713 |
10 | 10000122231 |
11 | 4271898930 |
12 | 1b3102b933 |
13 | c34a30cb8 |
14 | 6ac1955b1 |
15 | 3d7dd42a6 |
hex | 2540dc177 |
10000122231 has 16 divisors (see below), whose sum is σ = 14547778560. Its totient is φ = 6059785920.
The previous prime is 10000122221. The next prime is 10000122239. The reversal of 10000122231 is 13222100001.
It is not a de Polignac number, because 10000122231 - 27 = 10000122103 is a prime.
It is a super-2 number, since 2×100001222312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10000122239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256666 + ... + 293048.
It is an arithmetic number, because the mean of its divisors is an integer number (909236160).
Almost surely, 210000122231 is an apocalyptic number.
10000122231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10000122231 is a deficient number, since it is larger than the sum of its proper divisors (4547656329).
10000122231 is a wasteful number, since it uses less digits than its factorization.
10000122231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44726.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 10000122231 its reverse (13222100001), we get a palindrome (23222222232).
It can be divided in two parts, 10000 and 122231, that added together give a palindrome (132231).
The spelling of 10000122231 in words is "ten billion, one hundred twenty-two thousand, two hundred thirty-one".
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