Base | Representation |
---|---|
bin | 1101110110001000101111… |
… | …11100110111001001111111 |
3 | 10222210202010101202100000100 |
4 | 12323010113330313021333 |
5 | 12442322311244214441 |
6 | 144431204241332143 |
7 | 6261516401151516 |
oct | 673042774671177 |
9 | 128722111670010 |
10 | 30447424991871 |
11 | 9779753710808 |
12 | 34b8ab9037053 |
13 | 13cb2451b7954 |
14 | 77393dca567d |
15 | 37c019e71cb6 |
hex | 1bb117f3727f |
30447424991871 has 24 divisors (see below), whose sum is σ = 44664275994624. Its totient is φ = 19984725568080.
The previous prime is 30447424991827. The next prime is 30447424991899. The reversal of 30447424991871 is 17819942474403.
30447424991871 is a `hidden beast` number, since 3 + 0 + 4 + 4 + 74 + 2 + 499 + 1 + 8 + 71 = 666.
It is not a de Polignac number, because 30447424991871 - 221 = 30447422894719 is a prime.
It is a super-2 number, since 2×304474249918712 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30447424991799 and 30447424991808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30447424991801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101522661 + ... + 101822126.
It is an arithmetic number, because the mean of its divisors is an integer number (1861011499776).
Almost surely, 230447424991871 is an apocalyptic number.
30447424991871 is a deficient number, since it is larger than the sum of its proper divisors (14216851002753).
30447424991871 is a wasteful number, since it uses less digits than its factorization.
30447424991871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203345051 (or 203345048 counting only the distinct ones).
The product of its (nonzero) digits is 48771072, while the sum is 63.
The spelling of 30447424991871 in words is "thirty trillion, four hundred forty-seven billion, four hundred twenty-four million, nine hundred ninety-one thousand, eight hundred seventy-one".
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