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20249084361 = 311613608617
BaseRepresentation
bin10010110110111100…
…001000000111001001
31221021012020001202110
4102312330020013021
5312432231144421
613145144052533
71314535243242
oct226674100711
957235201673
1020249084361
118651097870
123b11464149
131ba918962c
14da1403cc9
157d7a6da76
hex4b6f081c9

20249084361 has 8 divisors (see below), whose sum is σ = 29453213664. Its totient is φ = 12272172320.

The previous prime is 20249084327. The next prime is 20249084363. The reversal of 20249084361 is 16348094202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20249084361 - 217 = 20248953289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20249084363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306804276 + ... + 306804341.

It is an arithmetic number, because the mean of its divisors is an integer number (3681651708).

Almost surely, 220249084361 is an apocalyptic number.

It is an amenable number.

20249084361 is a deficient number, since it is larger than the sum of its proper divisors (9204129303).

20249084361 is a wasteful number, since it uses less digits than its factorization.

20249084361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613608631.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 20249084361 in words is "twenty billion, two hundred forty-nine million, eighty-four thousand, three hundred sixty-one".

Divisors: 1 3 11 33 613608617 1840825851 6749694787 20249084361