Base | Representation |
---|---|
bin | 1111100111110… |
… | …00111101111111 |
3 | 100010120200110211 |
4 | 13303320331333 |
5 | 232021340244 |
6 | 21000413251 |
7 | 3150564100 |
oct | 763707577 |
9 | 303520424 |
10 | 131043199 |
11 | 67a74771 |
12 | 37a77227 |
13 | 211c2571 |
14 | 135923a7 |
15 | b787934 |
hex | 7cf8f7f |
131043199 has 12 divisors (see below), whose sum is σ = 157696200. Its totient is φ = 108448368.
The previous prime is 131043197. The next prime is 131043203. The reversal of 131043199 is 991340131.
It is not a de Polignac number, because 131043199 - 21 = 131043197 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131043199.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131043197) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44689 + ... + 47530.
It is an arithmetic number, because the mean of its divisors is an integer number (13141350).
Almost surely, 2131043199 is an apocalyptic number.
131043199 is a deficient number, since it is larger than the sum of its proper divisors (26653001).
131043199 is an equidigital number, since it uses as much as digits as its factorization.
131043199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92262 (or 92255 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 31.
The square root of 131043199 is about 11447.4101437836. The cubic root of 131043199 is about 507.9311279004.
The spelling of 131043199 in words is "one hundred thirty-one million, forty-three thousand, one hundred ninety-nine".
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