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20113113030011 = 176432011914971
BaseRepresentation
bin1001001001010111100101…
…11101010001110101111011
32122012210110102120210101122
410210223302331101311323
510114013123413430021
6110435500410535455
74144060455636401
oct444536275216573
978183412523348
1020113113030011
116454a17a59721
12230a080a3758b
13b2b87371b721
144d76a0a6b471
1524d2c53ecbab
hex124af2f51d7b

20113113030011 has 16 divisors (see below), whose sum is σ = 21339987113088. Its totient is φ = 18891129398400.

The previous prime is 20113113030007. The next prime is 20113113030013. The reversal of 20113113030011 is 11003031131102.

It is a cyclic number.

It is not a de Polignac number, because 20113113030011 - 22 = 20113113030007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113113030013) 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, 21524756 + ... + 22439726.

It is an arithmetic number, because the mean of its divisors is an integer number (1333749194568).

Almost surely, 220113113030011 is an apocalyptic number.

20113113030011 is a deficient number, since it is larger than the sum of its proper divisors (1226874083077).

20113113030011 is a wasteful number, since it uses less digits than its factorization.

20113113030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917642.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 20113113030011 its reverse (11003031131102), we get a palindrome (31116144161113).

The spelling of 20113113030011 in words is "twenty trillion, one hundred thirteen billion, one hundred thirteen million, thirty thousand, eleven".

Divisors: 1 17 643 2011 10931 34187 914971 1293073 15554507 21982241 588326353 1840006681 10001548001 31280113577 1183124295883 20113113030011