Base | Representation |
---|---|
bin | 101110101010100001… |
… | …1100001000111001111 |
3 | 100120122220010002202201 |
4 | 1131111003201013033 |
5 | 3120213033430411 |
6 | 114011510302331 |
7 | 10145220266554 |
oct | 1352503410717 |
9 | 316586102681 |
10 | 100211233231 |
11 | 395546a081a |
12 | 175086579a7 |
13 | 95b04caa15 |
14 | 4bc9128a2b |
15 | 2917a623c1 |
hex | 17550e11cf |
100211233231 has 4 divisors (see below), whose sum is σ = 100357956072. Its totient is φ = 100064510392.
The previous prime is 100211233229. The next prime is 100211233267. The reversal of 100211233231 is 132332112001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132332112001 = 23 ⋅5753570087.
It is a cyclic number.
It is not a de Polignac number, because 100211233231 - 21 = 100211233229 is a prime.
It is a super-2 number, since 2×1002112332312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100211233199 and 100211233208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100211233631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73360396 + ... + 73361761.
It is an arithmetic number, because the mean of its divisors is an integer number (25089489018).
Almost surely, 2100211233231 is an apocalyptic number.
100211233231 is a deficient number, since it is larger than the sum of its proper divisors (146722841).
100211233231 is an equidigital number, since it uses as much as digits as its factorization.
100211233231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146722840.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 100211233231 its reverse (132332112001), we get a palindrome (232543345232).
The spelling of 100211233231 in words is "one hundred billion, two hundred eleven million, two hundred thirty-three thousand, two hundred thirty-one".
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