Search a number
-
+
2012131264 = 26113132379
BaseRepresentation
bin111011111101110…
…1010111111000000
312012020011212012011
41313323222333000
513110101200024
6531354542304
7100601555623
oct16773527700
95166155164
102012131264
11942883000
12481a37994
13260b34020
14151335dba
15bb9ac094
hex77eeafc0

2012131264 has 224 divisors, whose sum is σ = 4997744640. Its totient is φ = 797322240.

The previous prime is 2012131259. The next prime is 2012131301. The reversal of 2012131264 is 4621312102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25469977 + ... + 25470055.

It is an arithmetic number, because the mean of its divisors is an integer number (22311360).

Almost surely, 22012131264 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 2012131264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498872320).

2012131264 is an abundant number, since it is smaller than the sum of its proper divisors (2985613376).

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

2012131264 is a wasteful number, since it uses less digits than its factorization.

2012131264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2012131264 is about 44856.7861532678. The cubic root of 2012131264 is about 1262.4633224518.

Adding to 2012131264 its reverse (4621312102), we get a palindrome (6633443366).

The spelling of 2012131264 in words is "two billion, twelve million, one hundred thirty-one thousand, two hundred sixty-four".