Search a number
-
+
190911113 = 3123326431
BaseRepresentation
bin10110110000100…
…01001010001001
3111022020021210222
423120101022021
5342333123423
630535515425
74505501111
oct1330211211
9438207728
10190911113
1198845388
1253b28b75
1330724373
141b4d8041
1511b613c8
hexb611289

190911113 has 8 divisors (see below), whose sum is σ = 197922816. Its totient is φ = 183952800.

The previous prime is 190911101. The next prime is 190911131. The reversal of 190911113 is 311119091.

It is a happy number.

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 190911113 - 210 = 190910089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190911143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5993 + ... + 20438.

It is an arithmetic number, because the mean of its divisors is an integer number (24740352).

Almost surely, 2190911113 is an apocalyptic number.

It is an amenable number.

190911113 is a deficient number, since it is larger than the sum of its proper divisors (7011703).

190911113 is a wasteful number, since it uses less digits than its factorization.

190911113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26695.

The product of its (nonzero) digits is 243, while the sum is 26.

The square root of 190911113 is about 13817.0587680591. The cubic root of 190911113 is about 575.8071718624.

The spelling of 190911113 in words is "one hundred ninety million, nine hundred eleven thousand, one hundred thirteen".

Divisors: 1 31 233 7223 26431 819361 6158423 190911113