Search a number
-
+
2159110938 = 231971826659
BaseRepresentation
bin1000000010110001…
…0110101100011010
312120110202012101210
42000230112230122
513410213022223
6554125123550
7104335066035
oct20054265432
95513665353
102159110938
11a08842006
125030b95b6
1328541624a
14166a7601c
15c9841893
hex80b16b1a

2159110938 has 16 divisors (see below), whose sum is σ = 4340144160. Its totient is φ = 716049936.

The previous prime is 2159110937. The next prime is 2159110973. The reversal of 2159110938 is 8390119512.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2159110896 and 2159110905.

It is not an unprimeable number, because it can be changed into a prime (2159110931) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 912148 + ... + 914511.

It is an arithmetic number, because the mean of its divisors is an integer number (271259010).

Almost surely, 22159110938 is an apocalyptic number.

2159110938 is an abundant number, since it is smaller than the sum of its proper divisors (2181033222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2159110938 is a wasteful number, since it uses less digits than its factorization.

2159110938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826861.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 2159110938 is about 46466.2343858419. The cubic root of 2159110938 is about 1292.4834354198.

The spelling of 2159110938 in words is "two billion, one hundred fifty-nine million, one hundred ten thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 197 394 591 1182 1826659 3653318 5479977 10959954 359851823 719703646 1079555469 2159110938