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3149717909 = 131511604543
BaseRepresentation
bin1011101110111100…
…1110000110010101
322010111202020200212
42323233032012111
522422311433114
61240313215205
7141024106022
oct27357160625
98114666625
103149717909
111376a2a758
1273aa01505
133b2714c10
1421c45a549
151367b9b3e
hexbbbce195

3149717909 has 8 divisors (see below), whose sum is σ = 3414469632. Its totient is φ = 2888175600.

The previous prime is 3149717897. The next prime is 3149717917. The reversal of 3149717909 is 9097179413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3149717909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149717009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800309 + ... + 804234.

It is an arithmetic number, because the mean of its divisors is an integer number (426808704).

Almost surely, 23149717909 is an apocalyptic number.

It is an amenable number.

3149717909 is a deficient number, since it is larger than the sum of its proper divisors (264751723).

3149717909 is a wasteful number, since it uses less digits than its factorization.

3149717909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604707.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 3149717909 is about 56122.3476789772. The cubic root of 3149717909 is about 1465.8534492217.

The spelling of 3149717909 in words is "three billion, one hundred forty-nine million, seven hundred seventeen thousand, nine hundred nine".

Divisors: 1 13 151 1963 1604543 20859059 242285993 3149717909