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130395888 = 24327129361
BaseRepresentation
bin1111100010110…
…10111011110000
3100002100210112100
413301122323300
5231340132023
620534500400
73142226640
oct761327360
9302323470
10130395888
11676723a7
1237804700
1321026a3c
1413464520
15b6aac43
hex7c5aef0

130395888 has 60 divisors (see below), whose sum is σ = 417063088. Its totient is φ = 37255680.

The previous prime is 130395883. The next prime is 130395893. The reversal of 130395888 is 888593031.

130395888 is a `hidden beast` number, since 1 + 30 + 39 + 588 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (130395883) and next prime (130395893).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130395883) 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, 63673 + ... + 65688.

Almost surely, 2130395888 is an apocalyptic number.

130395888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

130395888 is an abundant number, since it is smaller than the sum of its proper divisors (286667200).

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

130395888 is a wasteful number, since it uses less digits than its factorization.

130395888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129382 (or 129373 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 130395888 is about 11419.1018911296. The cubic root of 130395888 is about 507.0934085566.

The spelling of 130395888 in words is "one hundred thirty million, three hundred ninety-five thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 129361 258722 388083 517444 776166 905527 1034888 1164249 1552332 1811054 2069776 2328498 2716581 3104664 3622108 4656996 5433162 6209328 7244216 8149743 9313992 10866324 14488432 16299486 18627984 21732648 32598972 43465296 65197944 130395888