Search a number
-
+
808153396138 = 21136734245279
BaseRepresentation
bin10111100001010011011…
…00100011001110101010
32212020222121012011211101
423300221230203032222
5101220044232134023
61415132135552014
7112246536345154
oct13605154431652
92766877164741
10808153396138
11291810583a10
12110760b2b60a
135b29320a42a
142b18715dad4
151604dedd1ad
hexbc29b233aa

808153396138 has 8 divisors (see below), whose sum is σ = 1322432830080. Its totient is φ = 367342452780.

The previous prime is 808153396109. The next prime is 808153396199. The reversal of 808153396138 is 831693351808.

808153396138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×8081533961382 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18367122618 + ... + 18367122661.

It is an arithmetic number, because the mean of its divisors is an integer number (165304103760).

Almost surely, 2808153396138 is an apocalyptic number.

808153396138 is a deficient number, since it is larger than the sum of its proper divisors (514279433942).

808153396138 is a wasteful number, since it uses less digits than its factorization.

808153396138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36734245292.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 808153396138 in words is "eight hundred eight billion, one hundred fifty-three million, three hundred ninety-six thousand, one hundred thirty-eight".

Divisors: 1 2 11 22 36734245279 73468490558 404076698069 808153396138