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2695408385 = 5539081677
BaseRepresentation
bin1010000010101000…
…1010101100000001
320221211212221012012
42200222022230001
521010011032020
61123243542305
7123536410325
oct24052125401
96854787165
102695408385
11116354023a
1263282a995
1333c569807
141b7d99985
1510b9797c5
hexa0a8ab01

2695408385 has 4 divisors (see below), whose sum is σ = 3234490068. Its totient is φ = 2156326704.

The previous prime is 2695408351. The next prime is 2695408411. The reversal of 2695408385 is 5838045962.

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 1140210289 + 1555198096 = 33767^2 + 39436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2695408385 - 26 = 2695408321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269540834 + ... + 269540843.

It is an arithmetic number, because the mean of its divisors is an integer number (808622517).

Almost surely, 22695408385 is an apocalyptic number.

It is an amenable number.

2695408385 is a deficient number, since it is larger than the sum of its proper divisors (539081683).

2695408385 is an equidigital number, since it uses as much as digits as its factorization.

2695408385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539081682.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The square root of 2695408385 is about 51917.3225908270. The cubic root of 2695408385 is about 1391.6868544687.

The spelling of 2695408385 in words is "two billion, six hundred ninety-five million, four hundred eight thousand, three hundred eighty-five".

Divisors: 1 5 539081677 2695408385