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3145325205 = 351171268487
BaseRepresentation
bin1011101101111001…
…1101101010010101
322010012111002001010
42323132131222111
522420200401310
61240035122433
7140641552221
oct27336355225
98105432033
103145325205
1113744aa420
12739443419
133b1837699
1421ba35781
151361ed320
hexbb79da95

3145325205 has 32 divisors (see below), whose sum is σ = 5567367168. Its totient is φ = 1503521600.

The previous prime is 3145325203. The next prime is 3145325207. The reversal of 3145325205 is 5025235413.

It is an interprime number because it is at equal distance from previous prime (3145325203) and next prime (3145325207).

It is not a de Polignac number, because 3145325205 - 21 = 3145325203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145325203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122529 + ... + 145958.

It is an arithmetic number, because the mean of its divisors is an integer number (173980224).

Almost surely, 23145325205 is an apocalyptic number.

It is an amenable number.

3145325205 is a deficient number, since it is larger than the sum of its proper divisors (2422041963).

3145325205 is a wasteful number, since it uses less digits than its factorization.

3145325205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268577.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3145325205 is about 56083.1989547672. The cubic root of 3145325205 is about 1465.1716891197.

The spelling of 3145325205 in words is "three billion, one hundred forty-five million, three hundred twenty-five thousand, two hundred five".

Divisors: 1 3 5 11 15 33 55 71 165 213 355 781 1065 2343 3905 11715 268487 805461 1342435 2953357 4027305 8860071 14766785 19062577 44300355 57187731 95312885 209688347 285938655 629065041 1048441735 3145325205