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130148286 = 2321691381
BaseRepresentation
bin1111100000111…
…10011110111110
3100001220012212220
413300132132332
5231304221121
620525310210
73140146032
oct760363676
9301805786
10130148286
1167513374
1237705366
1320c6b128
14133dc1c2
15b65c6c6
hex7c1e7be

130148286 has 8 divisors (see below), whose sum is σ = 260296584. Its totient is φ = 43382760.

The previous prime is 130148281. The next prime is 130148287. The reversal of 130148286 is 682841031.

It is a sphenic number, since it is the product of 3 distinct primes.

130148286 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130148281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10845685 + ... + 10845696.

It is an arithmetic number, because the mean of its divisors is an integer number (32537073).

Almost surely, 2130148286 is an apocalyptic number.

130148286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130148286 is a wasteful number, since it uses less digits than its factorization.

130148286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21691386.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 130148286 is about 11408.2551689555. The cubic root of 130148286 is about 506.7722407155.

The spelling of 130148286 in words is "one hundred thirty million, one hundred forty-eight thousand, two hundred eighty-six".

Divisors: 1 2 3 6 21691381 43382762 65074143 130148286