Search a number
-
+
195613687268159 = 2912235515371677
BaseRepresentation
bin101100011110100011011100…
…010101111100001100111111
3221122121111010012101020210012
4230132203130111330030333
5201114413312420040114
61532011404244533435
756126423345261306
oct5436433425741477
9848544105336705
10195613687268159
1157368331908556
1219b332b00b127b
13851c3a3729074
143643a7826d43d
15179356314763e
hexb1e8dc57c33f

195613687268159 has 8 divisors (see below), whose sum is σ = 202524448016160. Its totient is φ = 188713957266016.

The previous prime is 195613687268143. The next prime is 195613687268177. The reversal of 195613687268159 is 951862786316591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195613687268159 - 24 = 195613687268143 is a prime.

It is a super-2 number, since 2×1956136872681592 (a number of 29 digits) contains 22 as substring.

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 195613687268159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195613687261159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2757650372 + ... + 2757721305.

It is an arithmetic number, because the mean of its divisors is an integer number (25315556002020).

Almost surely, 2195613687268159 is an apocalyptic number.

195613687268159 is a deficient number, since it is larger than the sum of its proper divisors (6910760748001).

195613687268159 is a wasteful number, since it uses less digits than its factorization.

195613687268159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515372929.

The product of its digits is 1175731200, while the sum is 77.

The spelling of 195613687268159 in words is "one hundred ninety-five trillion, six hundred thirteen billion, six hundred eighty-seven million, two hundred sixty-eight thousand, one hundred fifty-nine".

Divisors: 1 29 1223 35467 5515371677 159945778633 6745299560971 195613687268159