Search a number
-
+
80831622402 = 2324490645689
BaseRepresentation
bin100101101000111110…
…0001010110100000010
321201122021221212110200
41023101330022310002
52311020343404102
6101044502110030
75561040311466
oct1132174126402
9251567855420
1080831622402
113130a386323
12137ba41b316
13781250a28b
143cab3b64a6
1521814e051c
hex12d1f0ad02

80831622402 has 12 divisors (see below), whose sum is σ = 175135181910. Its totient is φ = 26943874128.

The previous prime is 80831622383. The next prime is 80831622449. The reversal of 80831622402 is 20422613808.

It can be written as a sum of positive squares in only one way, i.e., 46898666721 + 33932955681 = 216561^2 + 184209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2245322827 + ... + 2245322862.

Almost surely, 280831622402 is an apocalyptic number.

80831622402 is an abundant number, since it is smaller than the sum of its proper divisors (94303559508).

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

80831622402 is a wasteful number, since it uses less digits than its factorization.

80831622402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490645697 (or 4490645694 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 80831622402 in words is "eighty billion, eight hundred thirty-one million, six hundred twenty-two thousand, four hundred two".

Divisors: 1 2 3 6 9 18 4490645689 8981291378 13471937067 26943874134 40415811201 80831622402