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20252512413 = 3272911085119
BaseRepresentation
bin10010110111001001…
…001101000010011101
31221021102200020011100
4102313021031002131
5312434120344123
613145345343313
71314606341460
oct226711150235
957242606140
1020252512413
118653019371
123b12637b39
131ba9ab9a73
14da1a572d7
157d7ee9643
hex4b724d09d

20252512413 has 24 divisors (see below), whose sum is σ = 34585574400. Its totient is φ = 11173798944.

The previous prime is 20252512411. The next prime is 20252512417. The reversal of 20252512413 is 31421525202.

20252512413 is a `hidden beast` number, since 2 + 0 + 2 + 525 + 124 + 13 = 666.

It is not a de Polignac number, because 20252512413 - 21 = 20252512411 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252512411) 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 23 ways as a sum of consecutive naturals, for example, 5540733 + ... + 5544386.

It is an arithmetic number, because the mean of its divisors is an integer number (1441065600).

Almost surely, 220252512413 is an apocalyptic number.

It is an amenable number.

20252512413 is a deficient number, since it is larger than the sum of its proper divisors (14333061987).

20252512413 is a wasteful number, since it uses less digits than its factorization.

20252512413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085161 (or 11085158 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 20252512413 in words is "twenty billion, two hundred fifty-two million, five hundred twelve thousand, four hundred thirteen".

Divisors: 1 3 7 9 21 29 63 87 203 261 609 1827 11085119 33255357 77595833 99766071 232787499 321468451 698362497 964405353 2250279157 2893216059 6750837471 20252512413