Search a number
-
+
130876863 = 31317307643
BaseRepresentation
bin1111100110100…
…00010110111111
3100010021020022020
413303100112333
5232001024423
620553051223
73146302125
oct763202677
9303236266
10130876863
11679707a7
12379b6b13
1321164940
141354b915
15b7534e3
hex7cd05bf

130876863 has 32 divisors (see below), whose sum is σ = 199938816. Its totient is φ = 75437568.

The previous prime is 130876853. The next prime is 130876891. The reversal of 130876863 is 368678031.

It is not a de Polignac number, because 130876863 - 210 = 130875839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130876813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203220 + ... + 203862.

It is an arithmetic number, because the mean of its divisors is an integer number (6248088).

Almost surely, 2130876863 is an apocalyptic number.

130876863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130876863 is a deficient number, since it is larger than the sum of its proper divisors (69061953).

130876863 is a wasteful number, since it uses less digits than its factorization.

130876863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 130876863 is about 11440.1426127474. The cubic root of 130876863 is about 507.7161275414.

The spelling of 130876863 in words is "one hundred thirty million, eight hundred seventy-six thousand, eight hundred sixty-three".

Divisors: 1 3 13 17 39 51 221 307 643 663 921 1929 3991 5219 8359 10931 11973 15657 25077 32793 67847 142103 197401 203541 426309 592203 2566213 3355817 7698639 10067451 43625621 130876863