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2265678061 = 2659852079
BaseRepresentation
bin1000011100001011…
…1000000011101101
312211220021101000021
42013002320003231
514120003144221
61012453202141
7110100642253
oct20702700355
95756241007
102265678061
11a62a09509
12532930351
132a1518c0a
14176c965d3
15d3d92041
hex870b80ed

2265678061 has 4 divisors (see below), whose sum is σ = 2266532800. Its totient is φ = 2264823324.

The previous prime is 2265678049. The next prime is 2265678109. The reversal of 2265678061 is 1608765622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2265678061 - 25 = 2265678029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2265677999 and 2265678017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265673061) 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, 423381 + ... + 428698.

It is an arithmetic number, because the mean of its divisors is an integer number (566633200).

Almost surely, 22265678061 is an apocalyptic number.

It is an amenable number.

2265678061 is a deficient number, since it is larger than the sum of its proper divisors (854739).

2265678061 is an equidigital number, since it uses as much as digits as its factorization.

2265678061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854738.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2265678061 is about 47599.1392884367. The cubic root of 2265678061 is about 1313.4072213076.

The spelling of 2265678061 in words is "two billion, two hundred sixty-five million, six hundred seventy-eight thousand, sixty-one".

Divisors: 1 2659 852079 2265678061