Search a number
-
+
11916129761 = 53673355711
BaseRepresentation
bin10110001100100000…
…11011010111100001
31010202110022010000022
423012100123113201
5143401012123021
65250232003225
7601202301044
oct130620332741
933673263008
1011916129761
115065387728
122386830515
13117b97a973
14810828c5b
1549b2051ab
hex2c641b5e1

11916129761 has 8 divisors (see below), whose sum is σ = 12322174464. Its totient is φ = 11516796720.

The previous prime is 11916129727. The next prime is 11916129769. The reversal of 11916129761 is 16792161911.

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 11916129761 - 26 = 11916129697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11916129769) 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, 1674305 + ... + 1681406.

It is an arithmetic number, because the mean of its divisors is an integer number (1540271808).

Almost surely, 211916129761 is an apocalyptic number.

It is an amenable number.

11916129761 is a deficient number, since it is larger than the sum of its proper divisors (406044703).

11916129761 is an equidigital number, since it uses as much as digits as its factorization.

11916129761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355831.

The product of its digits is 40824, while the sum is 44.

The spelling of 11916129761 in words is "eleven billion, nine hundred sixteen million, one hundred twenty-nine thousand, seven hundred sixty-one".

Divisors: 1 53 67 3551 3355711 177852683 224832637 11916129761