Search a number
-
+
131326951380 = 223510612062943
BaseRepresentation
bin111101001001110110…
…0100011111111010100
3110112222101211100201020
41322103230203333110
54122424144421010
6140155240201140
712326255445162
oct1722354437724
9415871740636
10131326951380
1150771705369
12215511691b0
13c4cba87c71
1464db804232
1536395c9470
hex1e93b23fd4

131326951380 has 48 divisors (see below), whose sum is σ = 368062216704. Its totient is φ = 34987496320.

The previous prime is 131326951363. The next prime is 131326951391. The reversal of 131326951380 is 83159623131.

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, 967812 + ... + 1095131.

It is an arithmetic number, because the mean of its divisors is an integer number (7667962848).

Almost surely, 2131326951380 is an apocalyptic number.

131326951380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131326951380 is an abundant number, since it is smaller than the sum of its proper divisors (236735265324).

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

131326951380 is a wasteful number, since it uses less digits than its factorization.

131326951380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064016 (or 2064014 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 131326951380 in words is "one hundred thirty-one billion, three hundred twenty-six million, nine hundred fifty-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1061 2122 3183 4244 5305 6366 10610 12732 15915 21220 31830 63660 2062943 4125886 6188829 8251772 10314715 12377658 20629430 24755316 30944145 41258860 61888290 123776580 2188782523 4377565046 6566347569 8755130092 10943912615 13132695138 21887825230 26265390276 32831737845 43775650460 65663475690 131326951380