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2159248894 = 211433226669
BaseRepresentation
bin1000000010110011…
…1000010111111110
312120111000012122021
42000230320113332
513410231431034
6554132110354
7104336212165
oct20054702776
95514005567
102159248894
11a08926720
125031653ba
13285463c8a
14166ab03dc
15c986c6b4
hex80b385fe

2159248894 has 16 divisors (see below), whose sum is σ = 3541492080. Its totient is φ = 979205760.

The previous prime is 2159248891. The next prime is 2159248919. The reversal of 2159248894 is 4988429512.

It is a happy number.

2159248894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159248891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103809 + ... + 122860.

It is an arithmetic number, because the mean of its divisors is an integer number (221343255).

Almost surely, 22159248894 is an apocalyptic number.

2159248894 is a deficient number, since it is larger than the sum of its proper divisors (1382243186).

2159248894 is a wasteful number, since it uses less digits than its factorization.

2159248894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227115.

The product of its digits is 1658880, while the sum is 52.

The square root of 2159248894 is about 46467.7188379202. The cubic root of 2159248894 is about 1292.5109624981.

The spelling of 2159248894 in words is "two billion, one hundred fifty-nine million, two hundred forty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 11 22 433 866 4763 9526 226669 453338 2493359 4986718 98147677 196295354 1079624447 2159248894