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2380125620 = 225109092
BaseRepresentation
bin1000110111011101…
…1101010110110100
320010212121220112202
42031313131112310
514333303004440
61032102204032
7112660506515
oct21567352664
96125556482
102380125620
111011578674
12565123618
132bc14a772
14188168a0c
15dde4c615
hex8dddd5b4

2380125620 has 18 divisors (see below), whose sum is σ = 4998722022. Its totient is φ = 951962976.

The previous prime is 2380125619. The next prime is 2380125623. The reversal of 2380125620 is 265210832.

It can be written as a sum of positive squares in 3 ways, for example, as 4343056 + 2375782564 = 2084^2 + 48742^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2380125623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212726 + ... + 223634.

It is an arithmetic number, because the mean of its divisors is an integer number (277706779).

Almost surely, 22380125620 is an apocalyptic number.

2380125620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2380125620 is an abundant number, since it is smaller than the sum of its proper divisors (2618596402).

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

2380125620 is an frugal number, since it uses more digits than its factorization.

2380125620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21827 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2380125620 is about 48786.5311330904. The cubic root of 2380125620 is about 1335.1599391296.

The spelling of 2380125620 in words is "two billion, three hundred eighty million, one hundred twenty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 10909 21818 43636 54545 109090 218180 119006281 238012562 476025124 595031405 1190062810 2380125620