Search a number
-
+
131549347272 = 2337783031829
BaseRepresentation
bin111101010000011110…
…0111011110111001000
3110120112220022020112010
41322200330323313020
54123403113103042
6140233303015520
712334626000540
oct1724074736710
9416486266463
10131549347272
11508761a4722
12215b373a5a0
13c535b84075
14651d176320
15364dda959c
hex1ea0f3bdc8

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".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 783031829 1566063658 2349095487 3132127316 4698190974 5481222803 6264254632 9396381948 10962445606 16443668409 18792763896 21924891212 32887336818 43849782424 65774673636 131549347272