Base | Representation |
---|---|
bin | 101110110010011001111… |
… | …100001000110001011001 |
3 | 102101101001002022102202002 |
4 | 232302121330020301121 |
5 | 410134231330403100 |
6 | 10501014552450345 |
7 | 451202050623614 |
oct | 56623174106131 |
9 | 12341032272662 |
10 | 3215218216025 |
11 | 102a625953912 |
12 | 43b16a0a99b5 |
13 | 1a426995c81a |
14 | b18901a317b |
15 | 5897dc342d5 |
hex | 2ec99f08c59 |
3215218216025 has 12 divisors (see below), whose sum is σ = 3986894441472. Its totient is φ = 2572159183440.
The previous prime is 3215218215953. The next prime is 3215218216033. The reversal of 3215218216025 is 5206128125123.
3215218216025 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 3215218216025 - 224 = 3215201438809 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3215218216025.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5873144 + ... + 6397206.
It is an arithmetic number, because the mean of its divisors is an integer number (332241203456).
Almost surely, 23215218216025 is an apocalyptic number.
It is an amenable number.
3215218216025 is a deficient number, since it is larger than the sum of its proper divisors (771676225447).
3215218216025 is a wasteful number, since it uses less digits than its factorization.
3215218216025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769480 (or 769475 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 38.
The spelling of 3215218216025 in words is "three trillion, two hundred fifteen billion, two hundred eighteen million, two hundred sixteen thousand, twenty-five".
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