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23032021300 = 2252230320213
BaseRepresentation
bin10101011100110100…
…001100000100110100
32012110010210220112221
4111130310030010310
5334132144140200
614325240052124
71443516644101
oct253464140464
965403726487
1023032021300
119849a80552
124569464044
1322308c1192
141186c65aa8
158ec03791a
hex55cd0c134

23032021300 has 18 divisors (see below), whose sum is σ = 49979486438. Its totient is φ = 9212808480.

The previous prime is 23032021253. The next prime is 23032021301. The reversal of 23032021300 is 312023032.

It can be written as a sum of positive squares in 3 ways, for example, as 2377732644 + 20654288656 = 48762^2 + 143716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23032021301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115160007 + ... + 115160206.

Almost surely, 223032021300 is an apocalyptic number.

23032021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032021300 is an abundant number, since it is smaller than the sum of its proper divisors (26947465138).

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

23032021300 is a wasteful number, since it uses less digits than its factorization.

23032021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230320227 (or 230320220 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23032021300 its reverse (312023032), we get a palindrome (23344044332).

The spelling of 23032021300 in words is "twenty-three billion, thirty-two million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 230320213 460640426 921280852 1151601065 2303202130 4606404260 5758005325 11516010650 23032021300