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20888103073611 = 323887291484951
BaseRepresentation
bin1001011111111011000111…
…11101101011011101001011
32201221212211211002002221210
410233331203331223131023
510214212313341323421
6112231510113104203
74254054444421554
oct457754375533513
981855754062853
1020888103073611
11672365a6a6a64
122414307558063
13b86980086b17
14522dbd5b732b
15263532c02576
hex12ff63f6b74b

20888103073611 has 8 divisors (see below), whose sum is σ = 27851970133504. Its totient is φ = 13924819031400.

The previous prime is 20888103073499. The next prime is 20888103073613. The reversal of 20888103073611 is 11637030188802.

It is a happy number.

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

It is not a de Polignac number, because 20888103073611 - 219 = 20888102549323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20888103073613) 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, 145670815 + ... + 145814136.

It is an arithmetic number, because the mean of its divisors is an integer number (3481496266688).

Almost surely, 220888103073611 is an apocalyptic number.

20888103073611 is a deficient number, since it is larger than the sum of its proper divisors (6963867059893).

20888103073611 is a wasteful number, since it uses less digits than its factorization.

20888103073611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291508841.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 20888103073611 in words is "twenty trillion, eight hundred eighty-eight billion, one hundred three million, seventy-three thousand, six hundred eleven".

Divisors: 1 3 23887 71661 291484951 874454853 6962701024537 20888103073611