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130711707 = 32767173179
BaseRepresentation
bin1111100101010…
…00000010011011
3100002221211202100
413302220002123
5231430233312
620545334443
73145013460
oct762500233
9302854670
10130711707
1167868705
1237937423
1321107709
1413507667
15b71e5dc
hex7ca809b

130711707 has 48 divisors (see below), whose sum is σ = 221495040. Its totient is φ = 72743616.

The previous prime is 130711703. The next prime is 130711723. The reversal of 130711707 is 707117031.

It is not a de Polignac number, because 130711707 - 22 = 130711703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130711703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 730144 + ... + 730322.

It is an arithmetic number, because the mean of its divisors is an integer number (4614480).

Almost surely, 2130711707 is an apocalyptic number.

130711707 is a deficient number, since it is larger than the sum of its proper divisors (90783333).

130711707 is a wasteful number, since it uses less digits than its factorization.

130711707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 1029, while the sum is 27.

The square root of 130711707 is about 11432.9220674332. The cubic root of 130711707 is about 507.5024721017.

Adding to 130711707 its reverse (707117031), we get a palindrome (837828738).

The spelling of 130711707 in words is "one hundred thirty million, seven hundred eleven thousand, seven hundred seven".

Divisors: 1 3 7 9 21 63 67 173 179 201 469 519 537 603 1211 1253 1407 1557 1611 3633 3759 4221 10899 11277 11591 11993 30967 34773 35979 81137 83951 92901 104319 107937 216769 243411 251853 278703 650307 730233 755559 1950921 2074789 6224367 14523523 18673101 43570569 130711707