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130740765 = 3554116111
BaseRepresentation
bin1111100101011…
…11001000011101
3100010000022121120
413302233020131
5231432201030
620550121153
73145164261
oct762571035
9303008546
10130740765
1167888521
12379501b9
13211179cc
14135140a1
15b728010
hex7caf21d

130740765 has 16 divisors (see below), whose sum is σ = 209584896. Its totient is φ = 69595200.

The previous prime is 130740739. The next prime is 130740773. The reversal of 130740765 is 567047031.

It is not a de Polignac number, because 130740765 - 222 = 126546461 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60 + ... + 16170.

It is an arithmetic number, because the mean of its divisors is an integer number (13099056).

Almost surely, 2130740765 is an apocalyptic number.

130740765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130740765 is a deficient number, since it is larger than the sum of its proper divisors (78844131).

130740765 is a wasteful number, since it uses less digits than its factorization.

130740765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16660.

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

The square root of 130740765 is about 11434.1928005435. The cubic root of 130740765 is about 507.5400762677.

Adding to 130740765 its reverse (567047031), we get a palindrome (697787796).

The spelling of 130740765 in words is "one hundred thirty million, seven hundred forty thousand, seven hundred sixty-five".

Divisors: 1 3 5 15 541 1623 2705 8115 16111 48333 80555 241665 8716051 26148153 43580255 130740765