Search a number
-
+
2132231320 = 235293181931
BaseRepresentation
bin111111100010111…
…0100010010011000
312111121011120111101
41333011310102120
513331322400240
6551325041144
7103560444562
oct17705642230
95447146441
102132231320
119a4652a4a
124b60b61b4
1327c99464b
1416327a332
15c72d239a
hex7f174498

2132231320 has 32 divisors (see below), whose sum is σ = 4813920720. Its totient is φ = 849976960.

The previous prime is 2132231279. The next prime is 2132231323. The reversal of 2132231320 is 231322312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132231323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79246 + ... + 102685.

Almost surely, 22132231320 is an apocalyptic number.

2132231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132231320 is an abundant number, since it is smaller than the sum of its proper divisors (2681689400).

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

2132231320 is a wasteful number, since it uses less digits than its factorization.

2132231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182235 (or 182231 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2132231320 is about 46176.0903498770. The cubic root of 2132231320 is about 1287.0974783420.

Adding to 2132231320 its reverse (231322312), we get a palindrome (2363553632).

The spelling of 2132231320 in words is "two billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 293 586 1172 1465 2344 2930 5860 11720 181931 363862 727724 909655 1455448 1819310 3638620 7277240 53305783 106611566 213223132 266528915 426446264 533057830 1066115660 2132231320