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2085527057 = 18301113957
BaseRepresentation
bin111110001001110…
…1001111000010001
312101100021202021212
41330103221320101
513232343331212
6542540025505
7102452454545
oct17423517021
95340252255
102085527057
11980253389
124a2532295
132730c13a3
1415ad9da25
15c3158e22
hex7c4e9e11

2085527057 has 4 divisors (see below), whose sum is σ = 2085659316. Its totient is φ = 2085394800.

The previous prime is 2085527053. The next prime is 2085527111. The reversal of 2085527057 is 7507255802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 859896976 + 1225630081 = 29324^2 + 35009^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085527057 - 22 = 2085527053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085527053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38678 + ... + 75279.

It is an arithmetic number, because the mean of its divisors is an integer number (521414829).

Almost surely, 22085527057 is an apocalyptic number.

It is an amenable number.

2085527057 is a deficient number, since it is larger than the sum of its proper divisors (132259).

2085527057 is a wasteful number, since it uses less digits than its factorization.

2085527057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132258.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 2085527057 is about 45667.5711747406. The cubic root of 2085527057 is about 1277.6305157050.

The spelling of 2085527057 in words is "two billion, eighty-five million, five hundred twenty-seven thousand, fifty-seven".

Divisors: 1 18301 113957 2085527057