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2685067894 = 21342533947
BaseRepresentation
bin1010000000001010…
…1110001001110110
320221010102120201001
42200002232021312
520444334133034
61122234153514
7123352462165
oct24002561166
96833376631
102685067894
111158718283
1262b28289a
1333a388c92
141b68673dc
1510aad5a14
hexa00ae276

2685067894 has 4 divisors (see below), whose sum is σ = 4027601844. Its totient is φ = 1342533946.

The previous prime is 2685067871. The next prime is 2685067981. The reversal of 2685067894 is 4987605862.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671266972 + ... + 671266975.

It is an arithmetic number, because the mean of its divisors is an integer number (1006900461).

Almost surely, 22685067894 is an apocalyptic number.

2685067894 is a deficient number, since it is larger than the sum of its proper divisors (1342533950).

2685067894 is a wasteful number, since it uses less digits than its factorization.

2685067894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342533949.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The square root of 2685067894 is about 51817.6407606522. The cubic root of 2685067894 is about 1389.9049145660.

The spelling of 2685067894 in words is "two billion, six hundred eighty-five million, sixty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 1342533947 2685067894