Search a number
-
+
130875314287 = 359364555193
BaseRepresentation
bin111100111100011000…
…1101101000001101111
3110111210220222211002111
41321320301231001233
54121013040024122
6140042344104451
712312132550024
oct1717061550157
9414726884074
10130875314287
115055a780773
1221445a65127
13c459337093
14649783b54b
15360eb15d77
hex1e78c6d06f

130875314287 has 4 divisors (see below), whose sum is σ = 131239869840. Its totient is φ = 130510758736.

The previous prime is 130875314279. The next prime is 130875314299. The reversal of 130875314287 is 782413578031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782413578031 = 3472254794173.

It is a cyclic number.

It is not a de Polignac number, because 130875314287 - 23 = 130875314279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130875314287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130875314267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182277238 + ... + 182277955.

It is an arithmetic number, because the mean of its divisors is an integer number (32809967460).

Almost surely, 2130875314287 is an apocalyptic number.

130875314287 is a deficient number, since it is larger than the sum of its proper divisors (364555553).

130875314287 is an equidigital number, since it uses as much as digits as its factorization.

130875314287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364555552.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 130875314287 in words is "one hundred thirty billion, eight hundred seventy-five million, three hundred fourteen thousand, two hundred eighty-seven".

Divisors: 1 359 364555193 130875314287