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130344231140 = 22529260986137
BaseRepresentation
bin111100101100100011…
…1110010000011100100
3110110102220122222222022
41321121013302003210
54113421110344030
6135513533122312
712263023453454
oct1713107620344
9413386588868
10130344231140
1150307a14082
1221318029398
13c3a32bacb6
1464470b3d64
1535cd1acde5
hex1e591f20e4

130344231140 has 48 divisors (see below), whose sum is σ = 283273426800. Its totient is φ = 50319962112.

The previous prime is 130344231139. The next prime is 130344231197. The reversal of 130344231140 is 41132443031.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 24072143104 + 106272088036 = 155152^2 + 325994^2 .

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, 1470152 + ... + 1556288.

It is an arithmetic number, because the mean of its divisors is an integer number (5901529725).

Almost surely, 2130344231140 is an apocalyptic number.

130344231140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130344231140 is an abundant number, since it is smaller than the sum of its proper divisors (152929195660).

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

130344231140 is a wasteful number, since it uses less digits than its factorization.

130344231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88784 (or 88782 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 130344231140 its reverse (41132443031), we get a palindrome (171476674171).

The spelling of 130344231140 in words is "one hundred thirty billion, three hundred forty-four million, two hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 2609 5218 10436 13045 26090 52180 75661 86137 151322 172274 302644 344548 378305 430685 756610 861370 1513220 1722740 2497973 4995946 9991892 12489865 24979730 49959460 224731433 449462866 898925732 1123657165 2247314330 4494628660 6517211557 13034423114 26068846228 32586057785 65172115570 130344231140