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130740756 = 22310895063
BaseRepresentation
bin1111100101011…
…11001000010100
3100010000022121020
413302233020110
5231432201011
620550121140
73145164246
oct762571024
9303008536
10130740756
1167888513
12379501b0
13211179c3
1413514096
15b728006
hex7caf214

130740756 has 12 divisors (see below), whose sum is σ = 305061792. Its totient is φ = 43580248.

The previous prime is 130740739. The next prime is 130740773. The reversal of 130740756 is 657047031.

It is an interprime number because it is at equal distance from previous prime (130740739) and next prime (130740773).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5447520 + ... + 5447543.

It is an arithmetic number, because the mean of its divisors is an integer number (25421816).

Almost surely, 2130740756 is an apocalyptic number.

It is an amenable number.

130740756 is an abundant number, since it is smaller than the sum of its proper divisors (174321036).

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

130740756 is a wasteful number, since it uses less digits than its factorization.

130740756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10895070 (or 10895068 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 130740756 is about 11434.1924069870. The cubic root of 130740756 is about 507.5400646216.

Adding to 130740756 its reverse (657047031), we get a palindrome (787787787).

The spelling of 130740756 in words is "one hundred thirty million, seven hundred forty thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 12 10895063 21790126 32685189 43580252 65370378 130740756