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3115221395 = 5111333113163
BaseRepresentation
bin1011100110101110…
…1000000110010011
322001002211122101012
42321223220012103
522334444041040
61233042001135
7140124642056
oct27153500623
98032748335
103115221395
111359508a40
1272b3461ab
133a8527390
14217a3aa9d
15133753865
hexb9ae8193

3115221395 has 32 divisors (see below), whose sum is σ = 4405411584. Its totient is φ = 2084860800.

The previous prime is 3115221377. The next prime is 3115221427. The reversal of 3115221395 is 5931225113.

3115221395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3115221395 - 26 = 3115221331 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230084 + ... + 243246.

It is an arithmetic number, because the mean of its divisors is an integer number (137669112).

Almost surely, 23115221395 is an apocalyptic number.

3115221395 is a deficient number, since it is larger than the sum of its proper divisors (1290190189).

3115221395 is a wasteful number, since it uses less digits than its factorization.

3115221395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13523.

The product of its digits is 8100, while the sum is 32.

The square root of 3115221395 is about 55814.1684073139. The cubic root of 3115221395 is about 1460.4823256292.

The spelling of 3115221395 in words is "three billion, one hundred fifteen million, two hundred twenty-one thousand, three hundred ninety-five".

Divisors: 1 5 11 13 55 65 143 331 715 1655 3641 4303 13163 18205 21515 47333 65815 144793 171119 236665 723965 855595 1882309 4356953 9411545 21784765 47926483 56640389 239632415 283201945 623044279 3115221395