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3145035217 is a prime number
BaseRepresentation
bin1011101101110101…
…0110110111010001
322010011221100020211
42323131112313101
522420112111332
61240025004121
7140636233612
oct27335266721
98104840224
103145035217
111374321565
12739323641
133b17656ac
1421b99bc09
15136192447
hexbb756dd1

3145035217 has 2 divisors, whose sum is σ = 3145035218. Its totient is φ = 3145035216.

The previous prime is 3145035209. The next prime is 3145035247. The reversal of 3145035217 is 7125305413.

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., 1876535761 + 1268499456 = 43319^2 + 35616^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145035217 - 23 = 3145035209 is a prime.

It is not a weakly prime, because it can be changed into another prime (3145035247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572517608 + 1572517609.

It is an arithmetic number, because the mean of its divisors is an integer number (1572517609).

Almost surely, 23145035217 is an apocalyptic number.

It is an amenable number.

3145035217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145035217 is an equidigital number, since it uses as much as digits as its factorization.

3145035217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 3145035217 is about 56080.6135576279. The cubic root of 3145035217 is about 1465.1266598314.

The spelling of 3145035217 in words is "three billion, one hundred forty-five million, thirty-five thousand, two hundred seventeen".