Base | Representation |
---|---|
bin | 100111001001010000… |
… | …000010101011000101 |
3 | 11000111012222200212220 |
4 | 213021100002223011 |
5 | 1142034432200313 |
6 | 31150413002553 |
7 | 3015366502332 |
oct | 471120025305 |
9 | 130435880786 |
10 | 42031131333 |
11 | 16909529084 |
12 | 8190183459 |
13 | 3c6ab09819 |
14 | 206a24b989 |
15 | 115ee98823 |
hex | 9c9402ac5 |
42031131333 has 16 divisors (see below), whose sum is σ = 59035891200. Its totient is φ = 26525804400.
The previous prime is 42031131319. The next prime is 42031131349. The reversal of 42031131333 is 33313113024.
It is a happy number.
It is not a de Polignac number, because 42031131333 - 25 = 42031131301 is a prime.
It is a super-2 number, since 2×420311313332 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42031131383) 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, 204343 + ... + 354708.
It is an arithmetic number, because the mean of its divisors is an integer number (3689743200).
Almost surely, 242031131333 is an apocalyptic number.
It is an amenable number.
42031131333 is a deficient number, since it is larger than the sum of its proper divisors (17004759867).
42031131333 is a wasteful number, since it uses less digits than its factorization.
42031131333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 560392.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 42031131333 its reverse (33313113024), we get a palindrome (75344244357).
The spelling of 42031131333 in words is "forty-two billion, thirty-one million, one hundred thirty-one thousand, three hundred thirty-three".
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