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2331230120 = 235457127529
BaseRepresentation
bin1000101011110011…
…1011111110101000
320000110121202112022
42022330323332220
514233243330440
61023154204012
7111525062162
oct21274737650
96013552468
102331230120
11a96a1176a
12550883608
132b1c8b00b
1418187b932
15d99decb5
hex8af3bfa8

2331230120 has 32 divisors (see below), whose sum is σ = 5256786600. Its totient is φ = 930444288.

The previous prime is 2331230089. The next prime is 2331230123. The reversal of 2331230120 is 210321332.

It can be written as a sum of positive squares in 4 ways, for example, as 2135733796 + 195496324 = 46214^2 + 13982^2 .

It is not an unprimeable number, because it can be changed into a prime (2331230123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45485 + ... + 82044.

Almost surely, 22331230120 is an apocalyptic number.

2331230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331230120 is an abundant number, since it is smaller than the sum of its proper divisors (2925556480).

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

2331230120 is a wasteful number, since it uses less digits than its factorization.

2331230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127997 (or 127993 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2331230120 is about 48282.8139196547. The cubic root of 2331230120 is about 1325.9537682551.

Adding to 2331230120 its reverse (210321332), we get a palindrome (2541551452).

The spelling of 2331230120 in words is "two billion, three hundred thirty-one million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 457 914 1828 2285 3656 4570 9140 18280 127529 255058 510116 637645 1020232 1275290 2550580 5101160 58280753 116561506 233123012 291403765 466246024 582807530 1165615060 2331230120