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2755390637 is a prime number
BaseRepresentation
bin1010010000111011…
…1110110010101101
321010000202100101002
42210032332302231
521120340000022
61133225330045
7125165301566
oct24416766255
97100670332
102755390637
11119438984a
1264a936925
1334bb0b67c
141c1d3116d
15111d77092
hexa43becad

2755390637 has 2 divisors, whose sum is σ = 2755390638. Its totient is φ = 2755390636.

The previous prime is 2755390619. The next prime is 2755390661. The reversal of 2755390637 is 7360935572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2505402916 + 249987721 = 50054^2 + 15811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2755390637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2755390591 and 2755390600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2755390667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377695318 + 1377695319.

It is an arithmetic number, because the mean of its divisors is an integer number (1377695319).

Almost surely, 22755390637 is an apocalyptic number.

It is an amenable number.

2755390637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755390637 is an equidigital number, since it uses as much as digits as its factorization.

2755390637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 47.

The square root of 2755390637 is about 52491.8149524285. The cubic root of 2755390637 is about 1401.9345088431.

The spelling of 2755390637 in words is "two billion, seven hundred fifty-five million, three hundred ninety thousand, six hundred thirty-seven".