Base | Representation |
---|---|
bin | 1101111001011100111110… |
… | …00010100010100011100111 |
3 | 11000012122012202121120222201 |
4 | 12330232133002202203213 |
5 | 13001204131300213330 |
6 | 144555410100035331 |
7 | 6302662001356621 |
oct | 674563702424347 |
9 | 130178182546881 |
10 | 30561360554215 |
11 | 9813000333087 |
12 | 3516bb5992b47 |
13 | 1408c01b6446a |
14 | 77926ba27c11 |
15 | 37ee87811eca |
hex | 1bcb9f0a28e7 |
30561360554215 has 32 divisors (see below), whose sum is σ = 38292436417536. Its totient is φ = 23371240780800.
The previous prime is 30561360554209. The next prime is 30561360554243. The reversal of 30561360554215 is 51245506316503.
It is not a de Polignac number, because 30561360554215 - 223 = 30561352165607 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 31 ways as a sum of consecutive naturals, for example, 1487088190 + ... + 1487108740.
It is an arithmetic number, because the mean of its divisors is an integer number (1196638638048).
Almost surely, 230561360554215 is an apocalyptic number.
30561360554215 is a deficient number, since it is larger than the sum of its proper divisors (7731075863321).
30561360554215 is a wasteful number, since it uses less digits than its factorization.
30561360554215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28159.
The product of its (nonzero) digits is 1620000, while the sum is 46.
The spelling of 30561360554215 in words is "thirty trillion, five hundred sixty-one billion, three hundred sixty million, five hundred fifty-four thousand, two hundred fifteen".
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