Search a number
BaseRepresentation
bin111111100001111…
…0101001111000000
312111120012010122000
41333003311033000
513331204222122
6551305544000
7103553146422
oct17703651700
95446163560
102131710912
119a4327a61
124b5aa5000
1327c841806
14163182812
15c722d0ac
hex7f0f53c0

2131710912 has 224 divisors, whose sum is σ = 6452006400. Its totient is φ = 689965056.

The previous prime is 2131710851. The next prime is 2131710913. The reversal of 2131710912 is 2190171312.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131710913) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12764653 + ... + 12764819.

It is an arithmetic number, because the mean of its divisors is an integer number (28803600).

Almost surely, 22131710912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131710912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3226003200).

2131710912 is an abundant number, since it is smaller than the sum of its proper divisors (4320295488).

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

2131710912 is a wasteful number, since it uses less digits than its factorization.

2131710912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 2131710912 is about 46170.4549685186. The cubic root of 2131710912 is about 1286.9927570079.

The spelling of 2131710912 in words is "two billion, one hundred thirty-one million, seven hundred ten thousand, nine hundred twelve".