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130218260 = 2257191703
BaseRepresentation
bin1111100001011…
…11100100010100
3100002000202212112
413300233210110
5231313441020
620531010152
73140560034
oct760574424
9302022775
10130218260
11675609a7
1237739958
1320c93c33
14134198c4
15b6732c5
hex7c2f914

130218260 has 24 divisors (see below), whose sum is σ = 277312896. Its totient is φ = 51353120.

The previous prime is 130218227. The next prime is 130218269. The reversal of 130218260 is 62812031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130218269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44432 + ... + 47271.

It is an arithmetic number, because the mean of its divisors is an integer number (11554704).

Almost surely, 2130218260 is an apocalyptic number.

130218260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130218260 is an abundant number, since it is smaller than the sum of its proper divisors (147094636).

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

130218260 is a wasteful number, since it uses less digits than its factorization.

130218260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91783 (or 91781 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 130218260 is about 11411.3215711415. The cubic root of 130218260 is about 506.8630461821.

The spelling of 130218260 in words is "one hundred thirty million, two hundred eighteen thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 91703 183406 366812 458515 917030 1834060 6510913 13021826 26043652 32554565 65109130 130218260