Base | Representation |
---|---|
bin | 1101111001011100111110… |
… | …00010100010100011011101 |
3 | 11000012122012202121120222100 |
4 | 12330232133002202203131 |
5 | 13001204131300213310 |
6 | 144555410100035313 |
7 | 6302662001356605 |
oct | 674563702424335 |
9 | 130178182546870 |
10 | 30561360554205 |
11 | 9813000333078 |
12 | 3516bb5992b39 |
13 | 1408c01b64460 |
14 | 77926ba27c05 |
15 | 37ee87811ec0 |
hex | 1bcb9f0a28dd |
30561360554205 has 48 divisors (see below), whose sum is σ = 57397860164736. Its totient is φ = 14953288590720.
The previous prime is 30561360554189. The next prime is 30561360554209. The reversal of 30561360554205 is 50245506316503.
30561360554205 is a `hidden beast` number, since 3 + 0 + 5 + 6 + 13 + 60 + 554 + 20 + 5 = 666.
It is not a de Polignac number, because 30561360554205 - 24 = 30561360554189 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30561360554209) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160155081 + ... + 160345790.
It is an arithmetic number, because the mean of its divisors is an integer number (1195788753432).
Almost surely, 230561360554205 is an apocalyptic number.
It is an amenable number.
30561360554205 is a deficient number, since it is larger than the sum of its proper divisors (26836499610531).
30561360554205 is a wasteful number, since it uses less digits than its factorization.
30561360554205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 320501058 (or 320501055 counting only the distinct ones).
The product of its (nonzero) digits is 1620000, while the sum is 45.
The spelling of 30561360554205 in words is "thirty trillion, five hundred sixty-one billion, three hundred sixty million, five hundred fifty-four thousand, two hundred five".
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