Search a number
-
+
1316206080 = 2932578161
BaseRepresentation
bin100111001110011…
…1011011000000000
310101201200012022100
41032130323120000
510143422043310
6334334510400
744421365340
oct11634733000
93351605270
101316206080
11615a67122
12308965400
1317c8c0587
14c6b3cd20
157a841ec0
hex4e73b600

1316206080 has 240 divisors, whose sum is σ = 5210229024. Its totient is φ = 300810240.

The previous prime is 1316206063. The next prime is 1316206109. The reversal of 1316206080 is 806026131.

1316206080 is a `hidden beast` number, since 1 + 31 + 6 + 20 + 608 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157200 + ... + 165360.

Almost surely, 21316206080 is an apocalyptic number.

1316206080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316206080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605114512).

1316206080 is an abundant number, since it is smaller than the sum of its proper divisors (3894022944).

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

1316206080 is an equidigital number, since it uses as much as digits as its factorization.

1316206080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8197 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1316206080 is about 36279.5545727893. The cubic root of 1316206080 is about 1095.9093465788.

The spelling of 1316206080 in words is "one billion, three hundred sixteen million, two hundred six thousand, eighty".