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130004160 = 26351113947
BaseRepresentation
bin1111011111110…
…11010011000000
3100001121220011220
413233323103000
5231240113120
620522235040
73136005606
oct757732300
9301556156
10130004160
1167425060
1237655a80
1320c1a650
14133a1876
15b62eb40
hex7bfb4c0

130004160 has 224 divisors, whose sum is σ = 485436672. Its totient is φ = 29061120.

The previous prime is 130004131. The next prime is 130004183. The reversal of 130004160 is 61400031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136807 + ... + 137753.

It is an arithmetic number, because the mean of its divisors is an integer number (2167128).

Almost surely, 2130004160 is an apocalyptic number.

130004160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130004160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242718336).

130004160 is an abundant number, since it is smaller than the sum of its proper divisors (355432512).

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

130004160 is a wasteful number, since it uses less digits than its factorization.

130004160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130004160 is about 11401.9366776000. The cubic root of 130004160 is about 506.5851053693.

Adding to 130004160 its reverse (61400031), we get a palindrome (191404191).

The spelling of 130004160 in words is "one hundred thirty million, four thousand, one hundred sixty".