Search a number
-
+
80955936186 = 2313807977233
BaseRepresentation
bin100101101100101011…
…0011000110110111010
321201221221212122220220
41023121112120312322
52311244204424221
6101105102400510
75564110050366
oct1133126306672
9251857778826
1080955936186
1131373574094
1213833b90136
1378321b4828
143cbdad62a6
15218c3990c6
hex12d9598dba

80955936186 has 16 divisors (see below), whose sum is σ = 161923764864. Its totient is φ = 26983329984.

The previous prime is 80955936167. The next prime is 80955936197. The reversal of 80955936186 is 68163955908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405775 + ... + 571458.

It is an arithmetic number, because the mean of its divisors is an integer number (10120235304).

Almost surely, 280955936186 is an apocalyptic number.

80955936186 is an abundant number, since it is smaller than the sum of its proper divisors (80967828678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80955936186 is a wasteful number, since it uses less digits than its factorization.

80955936186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991045.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 80955936186 in words is "eighty billion, nine hundred fifty-five million, nine hundred thirty-six thousand, one hundred eighty-six".

Divisors: 1 2 3 6 13807 27614 41421 82842 977233 1954466 2931699 5863398 13492656031 26985312062 40477968093 80955936186