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20110616093 = 122531641281
BaseRepresentation
bin10010101110101011…
…111010011000011101
31220220112200011000002
4102232223322120131
5312141304203333
613123320144045
71311234262541
oct225653723035
956815604002
1020110616093
11858aa11587
123a93008025
131b86597549
14d8ac7ba21
157ca81b0e8
hex4aeafa61d

20110616093 has 4 divisors (see below), whose sum is σ = 20112269628. Its totient is φ = 20108962560.

The previous prime is 20110616087. The next prime is 20110616129. The reversal of 20110616093 is 39061601102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11583571129 + 8527044964 = 107627^2 + 92342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20110616093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110616033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808388 + ... + 832893.

It is an arithmetic number, because the mean of its divisors is an integer number (5028067407).

Almost surely, 220110616093 is an apocalyptic number.

It is an amenable number.

20110616093 is a deficient number, since it is larger than the sum of its proper divisors (1653535).

20110616093 is a wasteful number, since it uses less digits than its factorization.

20110616093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653534.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 20110616093 in words is "twenty billion, one hundred ten million, six hundred sixteen thousand, ninety-three".

Divisors: 1 12253 1641281 20110616093