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20411312153 = 191139506899
BaseRepresentation
bin10011000000100110…
…111110100000011001
31221200111111002110012
4103000212332200121
5313300243442103
613213221131305
71321545201461
oct230046764031
957614432405
1020411312153
118724720a21
123b57859b35
131c0397a0cb
14db8b92ba1
157e6e162d8
hex4c09be819

20411312153 has 8 divisors (see below), whose sum is σ = 21675732000. Its totient is φ = 19165906368.

The previous prime is 20411312143. The next prime is 20411312161. The reversal of 20411312153 is 35121311402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20411312153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20411312143) 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, 4751303 + ... + 4755596.

It is an arithmetic number, because the mean of its divisors is an integer number (2709466500).

Almost surely, 220411312153 is an apocalyptic number.

It is an amenable number.

20411312153 is a deficient number, since it is larger than the sum of its proper divisors (1264419847).

20411312153 is a wasteful number, since it uses less digits than its factorization.

20411312153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9507031.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20411312153 its reverse (35121311402), we get a palindrome (55532623555).

The spelling of 20411312153 in words is "twenty billion, four hundred eleven million, three hundred twelve thousand, one hundred fifty-three".

Divisors: 1 19 113 2147 9506899 180631081 1074279587 20411312153