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2312330320 = 24528904129
BaseRepresentation
bin1000100111010011…
…0101110001010000
312222011001112212201
42021310311301100
514213424032240
61021241132544
7111205324546
oct21164656120
95864045781
102312330320
11a87282aa3
1254648a154
132ab0a15c1
1417d15bd96
15d8009d9a
hex89d35c50

2312330320 has 20 divisors (see below), whose sum is σ = 5376168180. Its totient is φ = 924932096.

The previous prime is 2312330311. The next prime is 2312330333. The reversal of 2312330320 is 230332132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 698862096 + 1613468224 = 26436^2 + 40168^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14451985 + ... + 14452144.

It is an arithmetic number, because the mean of its divisors is an integer number (268808409).

Almost surely, 22312330320 is an apocalyptic number.

2312330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312330320 is an abundant number, since it is smaller than the sum of its proper divisors (3063837860).

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

2312330320 is a wasteful number, since it uses less digits than its factorization.

2312330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28904142 (or 28904136 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2312330320 is about 48086.6958731831. The cubic root of 2312330320 is about 1322.3607737912.

Adding to 2312330320 its reverse (230332132), we get a palindrome (2542662452).

The spelling of 2312330320 in words is "two billion, three hundred twelve million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28904129 57808258 115616516 144520645 231233032 289041290 462466064 578082580 1156165160 2312330320