Base | Representation |
---|---|
bin | 11011111101111111… |
… | …010010011011101111 |
3 | 2212111220200101112100 |
4 | 123331333102123233 |
5 | 443000420424444 |
6 | 21443541110143 |
7 | 2112124354215 |
oct | 337577223357 |
9 | 85456611470 |
10 | 30031029999 |
11 | 11810808363 |
12 | 59a13b8353 |
13 | 2aa793ab49 |
14 | 164c604cb5 |
15 | bab707e69 |
hex | 6fdfd26ef |
30031029999 has 12 divisors (see below), whose sum is σ = 43402451976. Its totient is φ = 20009472432.
The previous prime is 30031029997. The next prime is 30031030061. The reversal of 30031029999 is 99992013003.
30031029999 is a `hidden beast` number, since 300 + 310 + 29 + 9 + 9 + 9 = 666.
It is not a de Polignac number, because 30031029999 - 21 = 30031029997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031029991) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917544 + ... + 949709.
It is an arithmetic number, because the mean of its divisors is an integer number (3616870998).
Almost surely, 230031029999 is an apocalyptic number.
30031029999 is a deficient number, since it is larger than the sum of its proper divisors (13371421977).
30031029999 is a wasteful number, since it uses less digits than its factorization.
30031029999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1869046 (or 1869043 counting only the distinct ones).
The product of its (nonzero) digits is 118098, while the sum is 45.
The spelling of 30031029999 in words is "thirty billion, thirty-one million, twenty-nine thousand, nine hundred ninety-nine".
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