Search a number
-
+
2054020057 is a prime number
BaseRepresentation
bin111101001101101…
…1101101111011001
312022011000000210221
41322123131233121
513201312120212
6535452440041
7101620611445
oct17233355731
95264000727
102054020057
11964493741
12493a79021
1326970c4ab
14156b1b825
15c04d3807
hex7a6ddbd9

2054020057 has 2 divisors, whose sum is σ = 2054020058. Its totient is φ = 2054020056.

The previous prime is 2054020051. The next prime is 2054020123. The reversal of 2054020057 is 7500204502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1875236416 + 178783641 = 43304^2 + 13371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054020057 - 215 = 2053987289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2054020051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027010028 + 1027010029.

It is an arithmetic number, because the mean of its divisors is an integer number (1027010029).

Almost surely, 22054020057 is an apocalyptic number.

It is an amenable number.

2054020057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054020057 is an equidigital number, since it uses as much as digits as its factorization.

2054020057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2054020057 is about 45321.2980506958. The cubic root of 2054020057 is about 1271.1639270706.

Adding to 2054020057 its reverse (7500204502), we get a palindrome (9554224559).

The spelling of 2054020057 in words is "two billion, fifty-four million, twenty thousand, fifty-seven".