Search a number
-
+
2164233859 = 3771981353
BaseRepresentation
bin1000000011111111…
…1001011010000011
312120211101110201121
42000333321122003
513413020440414
6554431013111
7104426453464
oct20077713203
95524343647
102164233859
11a10720a27
1250496a197
132864bac68
1416760ad6b
15ca004724
hex80ff9683

2164233859 has 8 divisors (see below), whose sum is σ = 2225845440. Its totient is φ = 2102786496.

The previous prime is 2164233821. The next prime is 2164233899. The reversal of 2164233859 is 9583324612.

2164233859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164233859 - 225 = 2130679427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164233899) 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, 14074 + ... + 67279.

It is an arithmetic number, because the mean of its divisors is an integer number (278230680).

Almost surely, 22164233859 is an apocalyptic number.

2164233859 is a deficient number, since it is larger than the sum of its proper divisors (61611581).

2164233859 is an equidigital number, since it uses as much as digits as its factorization.

2164233859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82109.

The product of its digits is 311040, while the sum is 43.

The square root of 2164233859 is about 46521.3269264753. The cubic root of 2164233859 is about 1293.5048528517.

The spelling of 2164233859 in words is "two billion, one hundred sixty-four million, two hundred thirty-three thousand, eight hundred fifty-nine".

Divisors: 1 37 719 26603 81353 3010061 58492807 2164233859