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2751297389 is a prime number
BaseRepresentation
bin1010001111111101…
…0111011101101101
321002202001101111022
42203333113131231
521113313004024
61133001503525
7125115433121
oct24377273555
97082041438
102751297389
1111920434a5
126494a1ba5
1334b007529
141c1587581
1511181935e
hexa3fd776d

2751297389 has 2 divisors, whose sum is σ = 2751297390. Its totient is φ = 2751297388.

The previous prime is 2751297377. The next prime is 2751297443. The reversal of 2751297389 is 9837921572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2245812100 + 505485289 = 47390^2 + 22483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2751297389 - 228 = 2482861933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2751297389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2751297589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375648694 + 1375648695.

It is an arithmetic number, because the mean of its divisors is an integer number (1375648695).

Almost surely, 22751297389 is an apocalyptic number.

It is an amenable number.

2751297389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2751297389 is an equidigital number, since it uses as much as digits as its factorization.

2751297389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 53.

The square root of 2751297389 is about 52452.8110686167. The cubic root of 2751297389 is about 1401.2399540225.

The spelling of 2751297389 in words is "two billion, seven hundred fifty-one million, two hundred ninety-seven thousand, three hundred eighty-nine".