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130243919380 = 22512917504157
BaseRepresentation
bin111100101001100100…
…1000111111000010100
3110110011220220122002221
41321103021013320110
54113214420410010
6135455551112124
712260365022401
oct1712311077024
9413156818087
10130243919380
115026632a3a3
12212aa512644
13c388598623
146437a412a8
1535c4495dda
hex1e53247e14

130243919380 has 24 divisors (see below), whose sum is σ = 273533947848. Its totient is φ = 52093431168.

The previous prime is 130243919347. The next prime is 130243919411. The reversal of 130243919380 is 83919342031.

It can be written as a sum of positive squares in 4 ways, for example, as 3235789456 + 127008129924 = 56884^2 + 356382^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6262 + ... + 510418.

It is an arithmetic number, because the mean of its divisors is an integer number (11397247827).

Almost surely, 2130243919380 is an apocalyptic number.

130243919380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130243919380 is an abundant number, since it is smaller than the sum of its proper divisors (143290028468).

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

130243919380 is a wasteful number, since it uses less digits than its factorization.

130243919380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517083 (or 517081 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 130243919380 in words is "one hundred thirty billion, two hundred forty-three million, nine hundred nineteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 12917 25834 51668 64585 129170 258340 504157 1008314 2016628 2520785 5041570 10083140 6512195969 13024391938 26048783876 32560979845 65121959690 130243919380