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2131052304 = 243231930301
BaseRepresentation
bin111111100000101…
…0100011100010000
312111111221200012010
41333001110130100
513331022133204
6551243502520
7103544434323
oct17701243420
95444850163
102131052304
119a3a18157
124b5827a40
1327c670ac4
141630507ba
15c714cd89
hex7f054710

2131052304 has 40 divisors (see below), whose sum is σ = 5744578752. Its totient is φ = 679465600.

The previous prime is 2131052243. The next prime is 2131052309. The reversal of 2131052304 is 4032501312.

It is not an unprimeable number, because it can be changed into a prime (2131052309) 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, 964047 + ... + 966254.

Almost surely, 22131052304 is an apocalyptic number.

2131052304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2131052304 is an abundant number, since it is smaller than the sum of its proper divisors (3613526448).

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

2131052304 is a wasteful number, since it uses less digits than its factorization.

2131052304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930335 (or 1930329 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2131052304 is about 46163.3220641669. The cubic root of 2131052304 is about 1286.8602013490.

Adding to 2131052304 its reverse (4032501312), we get a palindrome (6163553616).

The spelling of 2131052304 in words is "two billion, one hundred thirty-one million, fifty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 1930301 3860602 5790903 7721204 11581806 15442408 23163612 30884816 44396923 46327224 88793846 92654448 133190769 177587692 266381538 355175384 532763076 710350768 1065526152 2131052304