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2757290729 is a prime number
BaseRepresentation
bin1010010001011000…
…1110101011101001
321010011022212210212
42210112032223221
521121331300404
61133334150505
7125220404324
oct24426165351
97104285725
102757290729
111195467376
1264b4b2435
1334c32549b
141c22a77bb
1511210006e
hexa458eae9

2757290729 has 2 divisors, whose sum is σ = 2757290730. Its totient is φ = 2757290728.

The previous prime is 2757290717. The next prime is 2757290737. The reversal of 2757290729 is 9270927572.

2757290729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1670929129 + 1086361600 = 40877^2 + 32960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2757290729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2757290749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378645364 + 1378645365.

It is an arithmetic number, because the mean of its divisors is an integer number (1378645365).

Almost surely, 22757290729 is an apocalyptic number.

It is an amenable number.

2757290729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2757290729 is an equidigital number, since it uses as much as digits as its factorization.

2757290729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 2757290729 is about 52509.9107693014. The cubic root of 2757290729 is about 1402.2566885046.

The spelling of 2757290729 in words is "two billion, seven hundred fifty-seven million, two hundred ninety thousand, seven hundred twenty-nine".