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130243122 = 23211364033
BaseRepresentation
bin1111100001101…
…01101000110010
3100002002000222100
413300311220302
5231320234442
620531321230
73141022362
oct760655062
9302060870
10130243122
1167578649
1237750216
1320ca2349
14134249a2
15b67a84c
hex7c35a32

130243122 has 24 divisors (see below), whose sum is σ = 284695164. Its totient is φ = 43029504.

The previous prime is 130243117. The next prime is 130243159. The reversal of 130243122 is 221342031.

It can be written as a sum of positive squares in 2 ways, for example, as 130165281 + 77841 = 11409^2 + 279^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 130243095 and 130243104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29983 + ... + 34050.

Almost surely, 2130243122 is an apocalyptic number.

130243122 is an abundant number, since it is smaller than the sum of its proper divisors (154452042).

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

130243122 is a wasteful number, since it uses less digits than its factorization.

130243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64154 (or 64151 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130243122 is about 11412.4108758842. The cubic root of 130243122 is about 506.8953018405.

Adding to 130243122 its reverse (221342031), we get a palindrome (351585153).

The spelling of 130243122 in words is "one hundred thirty million, two hundred forty-three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 113 226 339 678 1017 2034 64033 128066 192099 384198 576297 1152594 7235729 14471458 21707187 43414374 65121561 130243122