Base | Representation |
---|---|
bin | 111101010000011110… |
… | …0111011110111001000 |
3 | 110120112220022020112010 |
4 | 1322200330323313020 |
5 | 4123403113103042 |
6 | 140233303015520 |
7 | 12334626000540 |
oct | 1724074736710 |
9 | 416486266463 |
10 | 131549347272 |
11 | 508761a4722 |
12 | 215b373a5a0 |
13 | c535b84075 |
14 | 651d176320 |
15 | 364dda959c |
hex | 1ea0f3bdc8 |
131549347272 has 32 divisors (see below), whose sum is σ = 375855278400. Its totient is φ = 37585527744.
The previous prime is 131549347247. The next prime is 131549347277. The reversal of 131549347272 is 272743945131.
131549347272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (131549347277) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391515747 + ... + 391516082.
It is an arithmetic number, because the mean of its divisors is an integer number (11745477450).
Almost surely, 2131549347272 is an apocalyptic number.
131549347272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131549347272 is an abundant number, since it is smaller than the sum of its proper divisors (244305931128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131549347272 is a wasteful number, since it uses less digits than its factorization.
131549347272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783031845 (or 783031841 counting only the distinct ones).
The product of its digits is 1270080, while the sum is 48.
The spelling of 131549347272 in words is "one hundred thirty-one billion, five hundred forty-nine million, three hundred forty-seven thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •