Search a number
-
+
131523702772 = 22711880748487
BaseRepresentation
bin111101001111101101…
…1000110111111110100
3110120111010001100212211
41322133123012333310
54123330031442042
6140230545223204
712334165012330
oct1723733067764
9416433040784
10131523702772
1150862779620
12215a7031b04
13c5307756c7
1465199bc7c0
15364b9e1017
hex1e9f6c6ff4

131523702772 has 48 divisors (see below), whose sum is σ = 286999308288. Its totient is φ = 51236125920.

The previous prime is 131523702769. The next prime is 131523702799. The reversal of 131523702772 is 277207325131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2688313 + ... + 2736799.

It is an arithmetic number, because the mean of its divisors is an integer number (5979152256).

Almost surely, 2131523702772 is an apocalyptic number.

It is an amenable number.

131523702772 is an abundant number, since it is smaller than the sum of its proper divisors (155475605516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131523702772 is a wasteful number, since it uses less digits than its factorization.

131523702772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57316 (or 57314 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 131523702772 in words is "one hundred thirty-one billion, five hundred twenty-three million, seven hundred two thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 8807 17614 35228 48487 61649 96877 96974 123298 193754 193948 246596 339409 387508 533357 678139 678818 1066714 1356278 1357636 2133428 2712556 3733499 7466998 14933996 427025009 854050018 1708100036 2989175063 4697275099 5978350126 9394550198 11956700252 18789100396 32880925693 65761851386 131523702772