Base | Representation |
---|---|
bin | 11100011100011001… |
… | …101011101110101110 |
3 | 2220211110210001112000 |
4 | 130130121223232232 |
5 | 1000022031001323 |
6 | 22010325153130 |
7 | 2130561322236 |
oct | 343431535656 |
9 | 86743701460 |
10 | 30541265838 |
11 | 11a52826076 |
12 | 5b0425b7a6 |
13 | 2b59567c45 |
14 | 169a2a2cc6 |
15 | bdb3e3e43 |
hex | 71c66bbae |
30541265838 has 32 divisors (see below), whose sum is σ = 67890076320. Its totient is φ = 10177332480.
The previous prime is 30541265831. The next prime is 30541265851. The reversal of 30541265838 is 83856214503.
30541265838 is a `hidden beast` number, since 3 + 0 + 5 + 41 + 26 + 583 + 8 = 666.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30541265793 and 30541265802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30541265831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97356 + ... + 265632.
It is an arithmetic number, because the mean of its divisors is an integer number (2121564885).
Almost surely, 230541265838 is an apocalyptic number.
30541265838 is an abundant number, since it is smaller than the sum of its proper divisors (37348810482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30541265838 is a wasteful number, since it uses less digits than its factorization.
30541265838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171649 (or 171643 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 45.
The spelling of 30541265838 in words is "thirty billion, five hundred forty-one million, two hundred sixty-five thousand, eight hundred thirty-eight".
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