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23031300200 = 2352115156501
BaseRepresentation
bin10101011100110001…
…011100000001101000
32012110002110021101112
4111130301130001220
5334132003101300
614325212405452
71443510551546
oct253461340150
965402407345
1023031300200
1198496287a7
124569176888
1322306cabac
141186b18d96
158ebe43e35
hex55cc5c068

23031300200 has 24 divisors (see below), whose sum is σ = 53547773430. Its totient is φ = 9212520000.

The previous prime is 23031300197. The next prime is 23031300209. The reversal of 23031300200 is 200313032.

It can be written as a sum of positive squares in 3 ways, for example, as 16505568676 + 6525731524 = 128474^2 + 80782^2 .

It is not an unprimeable number, because it can be changed into a prime (23031300209) 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, 57578051 + ... + 57578450.

Almost surely, 223031300200 is an apocalyptic number.

23031300200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031300200 is an abundant number, since it is smaller than the sum of its proper divisors (30516473230).

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

23031300200 is a wasteful number, since it uses less digits than its factorization.

23031300200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115156517 (or 115156508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23031300200 its reverse (200313032), we get a palindrome (23231613232).

The spelling of 23031300200 in words is "twenty-three billion, thirty-one million, three hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 115156501 230313002 460626004 575782505 921252008 1151565010 2303130020 2878912525 4606260040 5757825050 11515650100 23031300200