Base | Representation |
---|---|
bin | 1011111011101… |
… | …10100010000111 |
3 | 20222100121200222 |
4 | 11331312202013 |
5 | 201111201411 |
6 | 13533254555 |
7 | 2323560260 |
oct | 575664207 |
9 | 228317628 |
10 | 100100231 |
11 | 5155a870 |
12 | 2963445b |
13 | 1797a30a |
14 | d419967 |
15 | 8bc44db |
hex | 5f76887 |
100100231 has 16 divisors (see below), whose sum is σ = 125452800. Its totient is φ = 77592480.
The previous prime is 100100197. The next prime is 100100239. The reversal of 100100231 is 132001001.
It is not a de Polignac number, because 100100231 - 214 = 100083847 is a prime.
It is a super-2 number, since 2×1001002312 = 20040112492506722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100100239) 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, 11870 + ... + 18468.
It is an arithmetic number, because the mean of its divisors is an integer number (7840800).
Almost surely, 2100100231 is an apocalyptic number.
100100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
100100231 is a deficient number, since it is larger than the sum of its proper divisors (25352569).
100100231 is a wasteful number, since it uses less digits than its factorization.
100100231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6814.
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 100100231 is about 10005.0102948473. The cubic root of 100100231 is about 464.3139086085.
Adding to 100100231 its reverse (132001001), we get a palindrome (232101232).
The spelling of 100100231 in words is "one hundred million, one hundred thousand, two hundred thirty-one".
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