Search a number
-
+
80506260444 = 22326332547989
BaseRepresentation
bin100101011111010001…
…1000000101111011100
321200210121201202202210
41022332203000233130
52304334100313234
6100552320320420
75550006631401
oct1127643005734
9250717652683
1080506260444
113116275a045
1213729473110
13778cc9c5cc
143c7a0c02a8
152162b71be9
hex12be8c0bdc

80506260444 has 24 divisors (see below), whose sum is σ = 187919358480. Its totient is φ = 26825217664.

The previous prime is 80506260431. The next prime is 80506260487. The reversal of 80506260444 is 44406260508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242399 + ... + 1305590.

It is an arithmetic number, because the mean of its divisors is an integer number (7829973270).

Almost surely, 280506260444 is an apocalyptic number.

It is an amenable number.

80506260444 is an abundant number, since it is smaller than the sum of its proper divisors (107413098036).

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

80506260444 is a wasteful number, since it uses less digits than its factorization.

80506260444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550629 (or 2550627 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 80506260444 in words is "eighty billion, five hundred six million, two hundred sixty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 2633 5266 7899 10532 15798 31596 2547989 5095978 7643967 10191956 15287934 30575868 6708855037 13417710074 20126565111 26835420148 40253130222 80506260444