Search a number
-
+
6931320000 = 26354115989
BaseRepresentation
bin1100111010010001…
…11000110011000000
3122220001111112112120
412131020320303000
5103143404220000
63103442124240
7333523151013
oct63510706300
918801445476
106931320000
112a37605340
121415350680
1386600a1a7
1449a79d37a
152a879e6a0
hex19d238cc0

6931320000 has 560 divisors, whose sum is σ = 25709270400. Its totient is φ = 1633280000.

The previous prime is 6931319999. The next prime is 6931320029. The reversal of 6931320000 is 231396.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 77879956 + ... + 77880044.

Almost surely, 26931320000 is an apocalyptic number.

6931320000 is a gapful number since it is divisible by the number (60) 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 6931320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12854635200).

6931320000 is an abundant number, since it is smaller than the sum of its proper divisors (18777950400).

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

6931320000 is a wasteful number, since it uses less digits than its factorization.

6931320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 6931320000 is about 83254.5494252416. The cubic root of 6931320000 is about 1906.6544138834.

Adding to 6931320000 its reverse (231396), we get a palindrome (6931551396).

The spelling of 6931320000 in words is "six billion, nine hundred thirty-one million, three hundred twenty thousand".