Search a number
-
+
3211012157 is a prime number
BaseRepresentation
bin1011111101100100…
…0010100000111101
322021210002022121012
42333121002200331
523034004342112
61250343045005
7142400103323
oct27731024075
98253068535
103211012157
1113a8594a61
12757440765
133c2325cc2
14226653d13
1513bd76022
hexbf64283d

3211012157 has 2 divisors, whose sum is σ = 3211012158. Its totient is φ = 3211012156.

The previous prime is 3211012109. The next prime is 3211012159. The reversal of 3211012157 is 7512101123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3179719321 + 31292836 = 56389^2 + 5594^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211012157 - 212 = 3211008061 is a prime.

Together with 3211012159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211012159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605506078 + 1605506079.

It is an arithmetic number, because the mean of its divisors is an integer number (1605506079).

Almost surely, 23211012157 is an apocalyptic number.

It is an amenable number.

3211012157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211012157 is an equidigital number, since it uses as much as digits as its factorization.

3211012157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 3211012157 is about 56665.7935354302. The cubic root of 3211012157 is about 1475.3010446721.

The spelling of 3211012157 in words is "three billion, two hundred eleven million, twelve thousand, one hundred fifty-seven".