Search a number
-
+
194372192383 = 631130798953
BaseRepresentation
bin1011010100000101111…
…1000100100001111111
3200120201010120102210021
42311001133010201333
511141033240124013
6225143210353011
720020503242425
oct2650137044177
9616633512707
10194372192383
1175484043026
1231806a2b767
13154383a98b5
14959c8b9115
1550c935aa8d
hex2d417c487f

194372192383 has 4 divisors (see below), whose sum is σ = 194402997648. Its totient is φ = 194341387120.

The previous prime is 194372192327. The next prime is 194372192387. The reversal of 194372192383 is 383291273491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383291273491 = 754755896213.

It is a cyclic number.

It is not a de Polignac number, because 194372192383 - 213 = 194372184191 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 194372192383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194372192387) 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, 15393166 + ... + 15405787.

It is an arithmetic number, because the mean of its divisors is an integer number (48600749412).

Almost surely, 2194372192383 is an apocalyptic number.

194372192383 is a deficient number, since it is larger than the sum of its proper divisors (30805265).

194372192383 is an equidigital number, since it uses as much as digits as its factorization.

194372192383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805264.

The product of its digits is 1959552, while the sum is 52.

The spelling of 194372192383 in words is "one hundred ninety-four billion, three hundred seventy-two million, one hundred ninety-two thousand, three hundred eighty-three".

Divisors: 1 6311 30798953 194372192383