Search a number
-
+
319868136900 = 22325213192373857
BaseRepresentation
bin1001010011110011010…
…00000110110111000100
31010120122011022221211100
410221321220012313010
520220042220340100
6402540112140100
732052426205614
oct4517150066704
91116564287740
10319868136900
11113723251654
1251bab237630
13242180b7a30
14116a5b00a44
1584c1a7e400
hex4a79a06dc4

319868136900 has 864 divisors, whose sum is σ = 1203625463040. Its totient is φ = 70290063360.

The previous prime is 319868136781. The next prime is 319868136911. The reversal of 319868136900 is 9631868913.

It is a super-2 number, since 2×3198681369002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 373241272 + ... + 373242128.

Almost surely, 2319868136900 is an apocalyptic number.

319868136900 is a gapful number since it is divisible by the number (30) 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 319868136900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601812731520).

319868136900 is an abundant number, since it is smaller than the sum of its proper divisors (883757326140).

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

319868136900 is a wasteful number, since it uses less digits than its factorization.

319868136900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 319868136900 in words is "three hundred nineteen billion, eight hundred sixty-eight million, one hundred thirty-six thousand, nine hundred".