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23542024225 = 523725450837
BaseRepresentation
bin10101111011001101…
…101100100000100001
32020202200110202001011
4111323031230200201
5341203224233400
614452015140521
71462251622066
oct257315544041
966680422034
1023542024225
119a9094a275
124690214741
1322b2469265
1411d48a2c6d
1592bbc98ba
hex57b36c821

23542024225 has 12 divisors (see below), whose sum is σ = 29981087164. Its totient is φ = 18324601920.

The previous prime is 23542024223. The next prime is 23542024229. The reversal of 23542024225 is 52242024532.

It can be written as a sum of positive squares in 6 ways, for example, as 3640432896 + 19901591329 = 60336^2 + 141073^2 .

It is not a de Polignac number, because 23542024225 - 21 = 23542024223 is a prime.

It is a super-2 number, since 2×235420242252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23542024223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12724494 + ... + 12726343.

Almost surely, 223542024225 is an apocalyptic number.

23542024225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23542024225 is a deficient number, since it is larger than the sum of its proper divisors (6439062939).

23542024225 is a wasteful number, since it uses less digits than its factorization.

23542024225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25450884 (or 25450879 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 23542024225 its reverse (52242024532), we get a palindrome (75784048757).

The spelling of 23542024225 in words is "twenty-three billion, five hundred forty-two million, twenty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 37 185 925 25450837 127254185 636270925 941680969 4708404845 23542024225