Search a number
-
+
13180060082 = 272115972
BaseRepresentation
bin11000100011001011…
…11100000110110010
31021000112121102110102
430101211330012302
5203443043410312
610015502232402
7644420443100
oct142145740662
937015542412
1013180060082
115653889242
122679b85702
131320797027
148d063ac70
1552216cec2
hex31197c1b2

13180060082 has 18 divisors (see below), whose sum is σ = 22999843197. Its totient is φ = 5648110104.

The previous prime is 13180060081. The next prime is 13180060097. The reversal of 13180060082 is 28006008131.

It can be written as a sum of positive squares in 2 ways, for example, as 10882871041 + 2297189041 = 104321^2 + 47929^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=81179.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13180060081) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1130708 + ... + 1142304.

Almost surely, 213180060082 is an apocalyptic number.

13180060082 is a deficient number, since it is larger than the sum of its proper divisors (9819783115).

13180060082 is an frugal number, since it uses more digits than its factorization.

13180060082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23210 (or 11606 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 13180060082 in words is "thirteen billion, one hundred eighty million, sixty thousand, eighty-two".

Divisors: 1 2 7 14 49 98 11597 23194 81179 162358 568253 1136506 134490409 268980818 941432863 1882865726 6590030041 13180060082