Search a number
-
+
2148314215 = 5429662843
BaseRepresentation
bin1000000000001100…
…1010110001100111
312112201102200002011
42000003022301213
513344432023330
6553101455051
7104144240515
oct20003126147
95481380064
102148314215
11a027382a3
124bb571487
13283105b58
141654654b5
15c890c82a
hex800cac67

2148314215 has 4 divisors (see below), whose sum is σ = 2577977064. Its totient is φ = 1718651368.

The previous prime is 2148314213. The next prime is 2148314227. The reversal of 2148314215 is 5124138412.

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 2148314215 - 21 = 2148314213 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 (2148314213) 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, 214831417 + ... + 214831426.

It is an arithmetic number, because the mean of its divisors is an integer number (644494266).

Almost surely, 22148314215 is an apocalyptic number.

2148314215 is a deficient number, since it is larger than the sum of its proper divisors (429662849).

2148314215 is an equidigital number, since it uses as much as digits as its factorization.

2148314215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429662848.

The product of its digits is 7680, while the sum is 31.

The square root of 2148314215 is about 46349.9106255880. The cubic root of 2148314215 is about 1290.3254622185.

The spelling of 2148314215 in words is "two billion, one hundred forty-eight million, three hundred fourteen thousand, two hundred fifteen".

Divisors: 1 5 429662843 2148314215