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2159089093 = 7308441299
BaseRepresentation
bin1000000010110001…
…0001010111000101
312120110201002102201
42000230101113011
513410211322333
6554124434501
7104334645250
oct20054212705
95513632381
102159089093
11a08827657
125030a8a31
13285409315
14166a6c097
15c983a17d
hex80b115c5

2159089093 has 4 divisors (see below), whose sum is σ = 2467530400. Its totient is φ = 1850647788.

The previous prime is 2159089087. The next prime is 2159089109. The reversal of 2159089093 is 3909809512.

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 a de Polignac number, because none of the positive numbers 2k-2159089093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159089013) 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, 154220643 + ... + 154220656.

It is an arithmetic number, because the mean of its divisors is an integer number (616882600).

Almost surely, 22159089093 is an apocalyptic number.

It is an amenable number.

2159089093 is a deficient number, since it is larger than the sum of its proper divisors (308441307).

2159089093 is an equidigital number, since it uses as much as digits as its factorization.

2159089093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308441306.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 2159089093 is about 46465.9993220850. Note that the first 3 decimals coincide. The cubic root of 2159089093 is about 1292.4790764658.

The spelling of 2159089093 in words is "two billion, one hundred fifty-nine million, eighty-nine thousand, ninety-three".

Divisors: 1 7 308441299 2159089093