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110111000020 = 2257786507143
BaseRepresentation
bin110011010001100100…
…0001000010111010100
3101112012211021100202221
41212203020020113110
53301001404000040
6122330112512124
710645440025450
oct1464310102724
9345184240687
10110111000020
114277487506a
121940bb4b644
13a4ca4c24a8
145487c39660
152ce6c2174a
hex19a32085d4

110111000020 has 24 divisors (see below), whose sum is σ = 264266400384. Its totient is φ = 37752342816.

The previous prime is 110111000011. The next prime is 110111000023. The reversal of 110111000020 is 20000111011.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 110110999967 and 110111000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111000023) 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, 393253432 + ... + 393253711.

It is an arithmetic number, because the mean of its divisors is an integer number (11011100016).

Almost surely, 2110111000020 is an apocalyptic number.

110111000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110111000020 is an abundant number, since it is smaller than the sum of its proper divisors (154155400364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110111000020 is a wasteful number, since it uses less digits than its factorization.

110111000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786507159 (or 786507157 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 110111000020 its reverse (20000111011), we get a palindrome (130111111031).

The spelling of 110111000020 in words is "one hundred ten billion, one hundred eleven million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 786507143 1573014286 3146028572 3932535715 5505550001 7865071430 11011100002 15730142860 22022200004 27527750005 55055500010 110111000020