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2119245684 = 223315696897
BaseRepresentation
bin111111001010001…
…0001111101110100
312110200201211112220
41332110101331310
513320011330214
6550142442340
7103342201563
oct17624217564
95420654486
102119245684
11998293716
124b18933b0
1327a098b3a
14161659bda
15c60b99a9
hex7e511f74

2119245684 has 24 divisors (see below), whose sum is σ = 5104420608. Its totient is φ = 683627520.

The previous prime is 2119245683. The next prime is 2119245749. The reversal of 2119245684 is 4865429112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119245683) 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, 2848077 + ... + 2848820.

It is an arithmetic number, because the mean of its divisors is an integer number (212684192).

Almost surely, 22119245684 is an apocalyptic number.

It is an amenable number.

2119245684 is an abundant number, since it is smaller than the sum of its proper divisors (2985174924).

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

2119245684 is a wasteful number, since it uses less digits than its factorization.

2119245684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696935 (or 5696933 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 2119245684 is about 46035.2656557991. The cubic root of 2119245684 is about 1284.4792782840.

The spelling of 2119245684 in words is "two billion, one hundred nineteen million, two hundred forty-five thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 5696897 11393794 17090691 22787588 34181382 68362764 176603807 353207614 529811421 706415228 1059622842 2119245684