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20112442001 = 197125159399
BaseRepresentation
bin10010101110110010…
…111000001010010001
31220220200002220200022
4102232302320022101
5312142241121001
613123423233225
71311255636101
oct225662701221
956820086608
1020112442001
118590a493a3
123a93748815
131b86a86672
14d8b1d5201
157caa7c11b
hex4aecb8291

20112442001 has 16 divisors (see below), whose sum is σ = 21555072000. Its totient is φ = 18710370000.

The previous prime is 20112441863. The next prime is 20112442027. The reversal of 20112442001 is 10024421102.

It is a cyclic number.

It is not a de Polignac number, because 20112442001 - 210 = 20112440977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112441001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308900 + ... + 368298.

It is an arithmetic number, because the mean of its divisors is an integer number (1347192000).

Almost surely, 220112442001 is an apocalyptic number.

It is an amenable number.

20112442001 is a deficient number, since it is larger than the sum of its proper divisors (1442629999).

20112442001 is a wasteful number, since it uses less digits than its factorization.

20112442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59740.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20112442001 its reverse (10024421102), we get a palindrome (30136863103).

The spelling of 20112442001 in words is "twenty billion, one hundred twelve million, four hundred forty-two thousand, one".

Divisors: 1 19 71 251 1349 4769 17821 59399 338599 1128581 4217329 14909149 80129251 283273831 1058549579 20112442001