Search a number
-
+
831972744000 = 26325323836053
BaseRepresentation
bin11000001101101010111…
…00001001101101000000
32221112110121111102101100
430012311130021231000
5102112340010302000
61434111503134400
7114052026433056
oct14066534115500
92845417442340
10831972744000
112a0923a19572
121152a9ba4400
13605bac64ac8
142c3a67b21d6
15169951e7a00
hexc1b5709b40

831972744000 has 672 divisors, whose sum is σ = 3143435952384. Its totient is φ = 209621913600.

The previous prime is 831972743999. The next prime is 831972744017. The reversal of 831972744000 is 447279138.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137444974 + ... + 137451026.

It is an arithmetic number, because the mean of its divisors is an integer number (4677732072).

Almost surely, 2831972744000 is an apocalyptic number.

831972744000 is a gapful number since it is divisible by the number (80) 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 831972744000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571717976192).

831972744000 is an abundant number, since it is smaller than the sum of its proper divisors (2311463208384).

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

831972744000 is a wasteful number, since it uses less digits than its factorization.

831972744000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192 (or 6169 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 831972744000 in words is "eight hundred thirty-one billion, nine hundred seventy-two million, seven hundred forty-four thousand".