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130145202 = 23211657299
BaseRepresentation
bin1111100000111…
…01101110110010
3100001220001122200
413300131232302
5231304121302
620525244030
73140134035
oct760355662
9301801580
10130145202
1167511020
1237703616
1320c698c5
14133db01c
15b65b81c
hex7c1dbb2

130145202 has 24 divisors (see below), whose sum is σ = 307616400. Its totient is φ = 39437880.

The previous prime is 130145167. The next prime is 130145207. The reversal of 130145202 is 202541031.

130145202 is a `hidden beast` number, since 130 + 14 + 520 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (130145207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328452 + ... + 328847.

It is an arithmetic number, because the mean of its divisors is an integer number (12817350).

Almost surely, 2130145202 is an apocalyptic number.

130145202 is an abundant number, since it is smaller than the sum of its proper divisors (177471198).

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

130145202 is a wasteful number, since it uses less digits than its factorization.

130145202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657318 (or 657315 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 130145202 is about 11408.1200028751. The cubic root of 130145202 is about 506.7682378508.

Adding to 130145202 its reverse (202541031), we get a palindrome (332686233).

The spelling of 130145202 in words is "one hundred thirty million, one hundred forty-five thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 657299 1314598 1971897 3943794 5915691 7230289 11831382 14460578 21690867 43381734 65072601 130145202