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23513240200 = 23521091078589
BaseRepresentation
bin10101111001011111…
…111001001010001000
32020200200022100210011
4111321133321022020
5341123342141300
614445110201304
71461452146462
oct257137711210
966620270704
1023513240200
119a7667a41a
124682653234
1322a94cb8a8
1411d0b2d132
159293e0eba
hex5797f9288

23513240200 has 48 divisors (see below), whose sum is σ = 55169878500. Its totient is φ = 9319000320.

The previous prime is 23513240131. The next prime is 23513240203. The reversal of 23513240200 is 204231532.

It can be written as a sum of positive squares in 6 ways, for example, as 16841291076 + 6671949124 = 129774^2 + 81682^2 .

It is not an unprimeable number, because it can be changed into a prime (23513240203) 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 11 ways as a sum of consecutive naturals, for example, 517495 + ... + 561094.

Almost surely, 223513240200 is an apocalyptic number.

23513240200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23513240200 is an abundant number, since it is smaller than the sum of its proper divisors (31656638300).

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

23513240200 is a wasteful number, since it uses less digits than its factorization.

23513240200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078714 (or 1078705 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23513240200 its reverse (204231532), we get a palindrome (23717471732).

The spelling of 23513240200 in words is "twenty-three billion, five hundred thirteen million, two hundred forty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 109 200 218 436 545 872 1090 2180 2725 4360 5450 10900 21800 1078589 2157178 4314356 5392945 8628712 10785890 21571780 26964725 43143560 53929450 107858900 117566201 215717800 235132402 470264804 587831005 940529608 1175662010 2351324020 2939155025 4702648040 5878310050 11756620100 23513240200