Search a number
-
+
2212056097 = 7193307529
BaseRepresentation
bin1000001111011001…
…0100110000100001
312201011101002111121
42003312110300201
514012241243342
61003300012241
7105550111066
oct20366246041
95634332447
102212056097
11a35714539
12518991081
13293393044
1416dad8c6d
15ce2ee067
hex83d94c21

2212056097 has 4 divisors (see below), whose sum is σ = 2212370820. Its totient is φ = 2211741376.

The previous prime is 2212056061. The next prime is 2212056101. The reversal of 2212056097 is 7906502122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7906502122 = 23953251061.

It can be written as a sum of positive squares in 2 ways, for example, as 1043031616 + 1169024481 = 32296^2 + 34191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212056097 - 27 = 2212055969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212056397) 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 3 ways as a sum of consecutive naturals, for example, 146572 + ... + 160957.

It is an arithmetic number, because the mean of its divisors is an integer number (553092705).

Almost surely, 22212056097 is an apocalyptic number.

It is an amenable number.

2212056097 is a deficient number, since it is larger than the sum of its proper divisors (314723).

2212056097 is an equidigital number, since it uses as much as digits as its factorization.

2212056097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314722.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2212056097 is about 47032.5004332111. The cubic root of 2212056097 is about 1302.9628864055.

The spelling of 2212056097 in words is "two billion, two hundred twelve million, fifty-six thousand, ninety-seven".

Divisors: 1 7193 307529 2212056097