Search a number
-
+
10666115155 = 52133223031
BaseRepresentation
bin10011110111100000…
…00000000001010011
31000112100011210100001
421323300000001103
5133321011141110
64522215510431
7525213324433
oct117360000123
930470153301
1010666115155
114583820203
122098088417
13100c9c4557
147327da2c3
154265da63a
hex27bc00053

10666115155 has 4 divisors (see below), whose sum is σ = 12799338192. Its totient is φ = 8532892120.

The previous prime is 10666115143. The next prime is 10666115179. The reversal of 10666115155 is 55151166601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55151166601 = 192902692979.

It is not a de Polignac number, because 10666115155 - 29 = 10666114643 is a prime.

It is a super-2 number, since 2×106661151552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066611511 + ... + 1066611520.

It is an arithmetic number, because the mean of its divisors is an integer number (3199834548).

Almost surely, 210666115155 is an apocalyptic number.

10666115155 is a deficient number, since it is larger than the sum of its proper divisors (2133223037).

10666115155 is an equidigital number, since it uses as much as digits as its factorization.

10666115155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133223036.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 10666115155 in words is "ten billion, six hundred sixty-six million, one hundred fifteen thousand, one hundred fifty-five".

Divisors: 1 5 2133223031 10666115155