Search a number
-
+
2150082491 = 2179986729
BaseRepresentation
bin1000000000100111…
…1010011110111011
312112211202111200212
42000021322132323
513400410114431
6553203421335
7104165254034
oct20011723673
95484674625
102150082491
11a03735887
1250008484b
132835a497b
141657a5a8b
15c8b5b72b
hex8027a7bb

2150082491 has 4 divisors (see below), whose sum is σ = 2151071400. Its totient is φ = 2149093584.

The previous prime is 2150082439. The next prime is 2150082499. The reversal of 2150082491 is 1942800512.

2150082491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2150082491 - 222 = 2145888187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150082499) 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, 491186 + ... + 495543.

It is an arithmetic number, because the mean of its divisors is an integer number (537767850).

Almost surely, 22150082491 is an apocalyptic number.

2150082491 is a deficient number, since it is larger than the sum of its proper divisors (988909).

2150082491 is an equidigital number, since it uses as much as digits as its factorization.

2150082491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988908.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2150082491 is about 46368.9819922758. The cubic root of 2150082491 is about 1290.6793871407.

The spelling of 2150082491 in words is "two billion, one hundred fifty million, eighty-two thousand, four hundred ninety-one".

Divisors: 1 2179 986729 2150082491