Base | Representation |
---|---|
bin | 11100011101010001… |
… | …001000001111011100 |
3 | 2220212111010111101022 |
4 | 130131101020033130 |
5 | 1000034241104130 |
6 | 22012004503312 |
7 | 2131126006406 |
oct | 343521101734 |
9 | 86774114338 |
10 | 30555800540 |
11 | 11a5aa53221 |
12 | 5b090aab38 |
13 | 2b5c586865 |
14 | 169c1a7b76 |
15 | bdc8157e5 |
hex | 71d4483dc |
30555800540 has 12 divisors (see below), whose sum is σ = 64167181176. Its totient is φ = 12222320208.
The previous prime is 30555800533. The next prime is 30555800593. The reversal of 30555800540 is 4500855503.
It is a self number, because there is not a number n which added to its sum of digits gives 30555800540.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763894994 + ... + 763895033.
It is an arithmetic number, because the mean of its divisors is an integer number (5347265098).
Almost surely, 230555800540 is an apocalyptic number.
It is an amenable number.
30555800540 is an abundant number, since it is smaller than the sum of its proper divisors (33611380636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30555800540 is a wasteful number, since it uses less digits than its factorization.
30555800540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1527790036 (or 1527790034 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 35.
The spelling of 30555800540 in words is "thirty billion, five hundred fifty-five million, eight hundred thousand, five hundred forty".
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