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2551150309 is a prime number
BaseRepresentation
bin1001100000001111…
…0111011011100101
320120210102212022111
42120003313123211
520211043302214
61101052001021
7120135264001
oct23003673345
96523385274
102551150309
11109a06aa94
125b2460171
133186cb2c6
141a2b67701
15ede815c4
hex980f76e5

2551150309 has 2 divisors, whose sum is σ = 2551150310. Its totient is φ = 2551150308.

The previous prime is 2551150307. The next prime is 2551150337. The reversal of 2551150309 is 9030511552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1874630209 + 676520100 = 43297^2 + 26010^2 .

It is a cyclic number.

It is not a de Polignac number, because 2551150309 - 21 = 2551150307 is a prime.

It is a super-2 number, since 2×25511503092 = 13016735798221590962, which contains 22 as substring.

Together with 2551150307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2551150307) 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, 1275575154 + 1275575155.

It is an arithmetic number, because the mean of its divisors is an integer number (1275575155).

Almost surely, 22551150309 is an apocalyptic number.

It is an amenable number.

2551150309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551150309 is an equidigital number, since it uses as much as digits as its factorization.

2551150309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 2551150309 is about 50508.9131639159. The cubic root of 2551150309 is about 1366.4026083994.

The spelling of 2551150309 in words is "two billion, five hundred fifty-one million, one hundred fifty thousand, three hundred nine".