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2013111044 = 22771896823
BaseRepresentation
bin111011111111101…
…1010001100000100
312012022000122012022
41313333122030010
513110324023134
6531431542312
7100613106260
oct16777321404
95168018168
102013111044
1194339213a
1248222a998
132610b7c89
1415150d0a0
15bbb0252e
hex77fda304

2013111044 has 12 divisors (see below), whose sum is σ = 4026222144. Its totient is φ = 862761864.

The previous prime is 2013111043. The next prime is 2013111103. The reversal of 2013111044 is 4401113102.

It is a happy number.

2013111044 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2013111043) 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, 35948384 + ... + 35948439.

It is an arithmetic number, because the mean of its divisors is an integer number (335518512).

Almost surely, 22013111044 is an apocalyptic number.

It is an amenable number.

2013111044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2013111044 is a wasteful number, since it uses less digits than its factorization.

2013111044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71896834 (or 71896832 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2013111044 is about 44867.7060256038. The cubic root of 2013111044 is about 1262.6682023256.

Adding to 2013111044 its reverse (4401113102), we get a palindrome (6414224146).

The spelling of 2013111044 in words is "two billion, thirteen million, one hundred eleven thousand, forty-four".

Divisors: 1 2 4 7 14 28 71896823 143793646 287587292 503277761 1006555522 2013111044