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130145612 = 2266149223
BaseRepresentation
bin1111100000111…
…01110101001100
3100001220002012212
413300131311030
5231304124422
620525245552
73140135162
oct760356514
9301802185
10130145612
1167511363
12377038b8
1320c69b4c
14133db232
15b65b9e2
hex7c1dd4c

130145612 has 12 divisors (see below), whose sum is σ = 228104016. Its totient is φ = 64973040.

The previous prime is 130145599. The next prime is 130145623. The reversal of 130145612 is 216541031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21968 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (19008668).

Almost surely, 2130145612 is an apocalyptic number.

It is an amenable number.

130145612 is a deficient number, since it is larger than the sum of its proper divisors (97958404).

130145612 is a wasteful number, since it uses less digits than its factorization.

130145612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49888 (or 49886 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 130145612 is about 11408.1379725177. The cubic root of 130145612 is about 506.7687700122.

Adding to 130145612 its reverse (216541031), we get a palindrome (346686643).

The spelling of 130145612 in words is "one hundred thirty million, one hundred forty-five thousand, six hundred twelve".

Divisors: 1 2 4 661 1322 2644 49223 98446 196892 32536403 65072806 130145612