Base | Representation |
---|---|
bin | 1101111011110111011000… |
… | …00001101001110110100111 |
3 | 11000111120011221001022011122 |
4 | 12331323230001221312213 |
5 | 13004033414133434330 |
6 | 145101435504524155 |
7 | 6311655146566604 |
oct | 675735401516647 |
9 | 130446157038148 |
10 | 30644256546215 |
11 | 9845179a20884 |
12 | 352b08b62065b |
13 | 1413982c658c0 |
14 | 77d2932536ab |
15 | 3821da17c5e5 |
hex | 1bdeec069da7 |
30644256546215 has 16 divisors (see below), whose sum is σ = 39605653787616. Its totient is φ = 22627407504000.
The previous prime is 30644256546209. The next prime is 30644256546341. The reversal of 30644256546215 is 51264565244603.
It is not a de Polignac number, because 30644256546215 - 26 = 30644256546151 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22214141 + ... + 23553270.
It is an arithmetic number, because the mean of its divisors is an integer number (2475353361726).
Almost surely, 230644256546215 is an apocalyptic number.
30644256546215 is a deficient number, since it is larger than the sum of its proper divisors (8961397241401).
30644256546215 is a wasteful number, since it uses less digits than its factorization.
30644256546215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45777730.
The product of its (nonzero) digits is 20736000, while the sum is 53.
The spelling of 30644256546215 in words is "thirty trillion, six hundred forty-four billion, two hundred fifty-six million, five hundred forty-six thousand, two hundred fifteen".
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