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2103313111 = 67139449503
BaseRepresentation
bin111110101011110…
…0000001011010111
312102120202101011121
41331113200023113
513301422004421
6544413144411
7103056603124
oct17527401327
95376671147
102103313111
1198a2a12a9
124a848b107
132769aab93
1415d4ad74b
15c49bdd41
hex7d5e02d7

2103313111 has 16 divisors (see below), whose sum is σ = 2159136000. Its totient is φ = 2048352768.

The previous prime is 2103313081. The next prime is 2103313193. The reversal of 2103313111 is 1113133012.

It is a cyclic number.

It is not a de Polignac number, because 2103313111 - 213 = 2103304919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103313411) 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, 4181286 + ... + 4181788.

It is an arithmetic number, because the mean of its divisors is an integer number (134946000).

Almost surely, 22103313111 is an apocalyptic number.

2103313111 is a deficient number, since it is larger than the sum of its proper divisors (55822889).

2103313111 is a wasteful number, since it uses less digits than its factorization.

2103313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2103313111 is about 45861.8917076040. The cubic root of 2103313111 is about 1281.2522557295.

Adding to 2103313111 its reverse (1113133012), we get a palindrome (3216446123).

The spelling of 2103313111 in words is "two billion, one hundred three million, three hundred thirteen thousand, one hundred eleven".

Divisors: 1 67 139 449 503 9313 30083 33701 62411 69917 225847 4181537 4684439 15131749 31392733 2103313111