Base | Representation |
---|---|
bin | 1011111100011… |
… | …11001100001111 |
3 | 20222112202020201 |
4 | 11332033030033 |
5 | 201122414411 |
6 | 13535354331 |
7 | 2324460604 |
oct | 576171417 |
9 | 228482221 |
10 | 100201231 |
11 | 51619739 |
12 | 296829a7 |
13 | 179b4290 |
14 | d4446ab |
15 | 8be43c1 |
hex | 5f8f30f |
100201231 has 16 divisors (see below), whose sum is σ = 113954400. Its totient is φ = 87343488.
The previous prime is 100201229. The next prime is 100201237. The reversal of 100201231 is 132102001.
It is a cyclic number.
It is not a de Polignac number, because 100201231 - 21 = 100201229 is a prime.
It is a super-2 number, since 2×1002012312 = 20080573387830722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100201237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125325 + ... + 126121.
It is an arithmetic number, because the mean of its divisors is an integer number (7122150).
Almost surely, 2100201231 is an apocalyptic number.
100201231 is a deficient number, since it is larger than the sum of its proper divisors (13753169).
100201231 is a wasteful number, since it uses less digits than its factorization.
100201231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1338.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 100201231 is about 10010.0564933471. The cubic root of 100201231 is about 464.4700186085.
Adding to 100201231 its reverse (132102001), we get a palindrome (232303232).
The spelling of 100201231 in words is "one hundred million, two hundred one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •