Base | Representation |
---|---|
bin | 101110101101010010… |
… | …1100011110011011111 |
3 | 100120220100202100011010 |
4 | 1131122211203303133 |
5 | 3120410313340411 |
6 | 114025023430303 |
7 | 10150425204630 |
oct | 1353245436337 |
9 | 316810670133 |
10 | 100304043231 |
11 | 395a20212a7 |
12 | 17533755393 |
13 | 95c67c4992 |
14 | 4bd75a7887 |
15 | 2920c967a6 |
hex | 175a963cdf |
100304043231 has 32 divisors (see below), whose sum is σ = 153139916800. Its totient is φ = 57205854720.
The previous prime is 100304043223. The next prime is 100304043233. The reversal of 100304043231 is 132340403001.
It is not a de Polignac number, because 100304043231 - 23 = 100304043223 is a prime.
It is a super-2 number, since 2×1003040432312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100304043198 and 100304043207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100304043233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36888690 + ... + 36891408.
It is an arithmetic number, because the mean of its divisors is an integer number (4785622400).
Almost surely, 2100304043231 is an apocalyptic number.
100304043231 is a deficient number, since it is larger than the sum of its proper divisors (52835873569).
100304043231 is a wasteful number, since it uses less digits than its factorization.
100304043231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5479.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 100304043231 its reverse (132340403001), we get a palindrome (232644446232).
The spelling of 100304043231 in words is "one hundred billion, three hundred four million, forty-three thousand, two hundred thirty-one".
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