Base | Representation |
---|---|
bin | 10010101000001001… |
… | …00101001000110111 |
3 | 221210221120001012221 |
4 | 21110010211020313 |
5 | 130440101441211 |
6 | 4332155423211 |
7 | 502551115420 |
oct | 112404451067 |
9 | 27727501187 |
10 | 10000421431 |
11 | 4271a82700 |
12 | 1b31154b07 |
13 | c34b07240 |
14 | 6ac232647 |
15 | 3d7e42c71 |
hex | 254125237 |
10000421431 has 24 divisors (see below), whose sum is σ = 13528874912. Its totient is φ = 7193102400.
The previous prime is 10000421429. The next prime is 10000421437. The reversal of 10000421431 is 13412400001.
It is not a de Polignac number, because 10000421431 - 21 = 10000421429 is a prime.
It is a super-2 number, since 2×100004214312 (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 (10000421437) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443100 + ... + 465121.
Almost surely, 210000421431 is an apocalyptic number.
10000421431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
10000421431 is a deficient number, since it is larger than the sum of its proper divisors (3528453481).
10000421431 is a wasteful number, since it uses less digits than its factorization.
10000421431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908263 (or 908252 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 10000421431 its reverse (13412400001), we get a palindrome (23412821432).
The spelling of 10000421431 in words is "ten billion, four hundred twenty-one thousand, four hundred thirty-one".
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