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2538072265 = 52292216657
BaseRepresentation
bin1001011101000111…
…1110100011001001
320112212211102121111
42113101332203021
520144221303030
61055503410321
7116616154411
oct22721764311
96485742544
102538072265
111092748293
125a9bb39a1
13315a9c711
141a1121641
15ecc4b62a
hex9747e8c9

2538072265 has 8 divisors (see below), whose sum is σ = 3058988040. Its totient is φ = 2021590272.

The previous prime is 2538072259. The next prime is 2538072283. The reversal of 2538072265 is 5622708352.

It can be written as a sum of positive squares in 4 ways, for example, as 1215149881 + 1322922384 = 34859^2 + 36372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2538072265 - 25 = 2538072233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107184 + ... + 1109473.

It is an arithmetic number, because the mean of its divisors is an integer number (382373505).

Almost surely, 22538072265 is an apocalyptic number.

It is an amenable number.

2538072265 is a deficient number, since it is larger than the sum of its proper divisors (520915775).

2538072265 is a wasteful number, since it uses less digits than its factorization.

2538072265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216891.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2538072265 is about 50379.2840858224. The cubic root of 2538072265 is about 1364.0637293102.

The spelling of 2538072265 in words is "two billion, five hundred thirty-eight million, seventy-two thousand, two hundred sixty-five".

Divisors: 1 5 229 1145 2216657 11083285 507614453 2538072265