Search a number
-
+
2918251253 is a prime number
BaseRepresentation
bin1010110111110000…
…1111101011110101
321112101012112010202
42231330033223311
521434033020003
61201324130245
7132213504101
oct25574175365
97471175122
102918251253
1112683053a5
12695396985
133767911b8
141d9806901
151212e7088
hexadf0faf5

2918251253 has 2 divisors, whose sum is σ = 2918251254. Its totient is φ = 2918251252.

The previous prime is 2918251177. The next prime is 2918251261. The reversal of 2918251253 is 3521528192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2090135524 + 828115729 = 45718^2 + 28777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918251253 - 28 = 2918250997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2918250253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459125626 + 1459125627.

It is an arithmetic number, because the mean of its divisors is an integer number (1459125627).

Almost surely, 22918251253 is an apocalyptic number.

It is an amenable number.

2918251253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918251253 is an equidigital number, since it uses as much as digits as its factorization.

2918251253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 2918251253 is about 54020.8409134845. The cubic root of 2918251253 is about 1429.0285107751.

The spelling of 2918251253 in words is "two billion, nine hundred eighteen million, two hundred fifty-one thousand, two hundred fifty-three".