Base | Representation |
---|---|
bin | 11011111111011100… |
… | …101011001111100101 |
3 | 2212120121202011011120 |
4 | 123333130223033211 |
5 | 443023202323023 |
6 | 21450213524153 |
7 | 2112542425353 |
oct | 337734531745 |
9 | 85517664146 |
10 | 30055511013 |
11 | 11823609300 |
12 | 59a9643659 |
13 | 2aaca2ca58 |
14 | 16519787d3 |
15 | bad9418e3 |
hex | 6ff72b3e5 |
30055511013 has 48 divisors (see below), whose sum is σ = 44632586880. Its totient is φ = 17974978560.
The previous prime is 30055510993. The next prime is 30055511023. The reversal of 30055511013 is 31011555003.
It is not a de Polignac number, because 30055511013 - 212 = 30055506917 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30055511023) 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, 14400256 + ... + 14402342.
It is an arithmetic number, because the mean of its divisors is an integer number (929845560).
Almost surely, 230055511013 is an apocalyptic number.
30055511013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
30055511013 is a deficient number, since it is larger than the sum of its proper divisors (14577075867).
30055511013 is a wasteful number, since it uses less digits than its factorization.
30055511013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2618 (or 2607 counting only the distinct ones).
The product of its (nonzero) digits is 1125, while the sum is 24.
The spelling of 30055511013 in words is "thirty billion, fifty-five million, five hundred eleven thousand, thirteen".
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