Base | Representation |
---|---|
bin | 11100010111000001… |
… | …011011000011110001 |
3 | 2220121011222002112012 |
4 | 130113001123003301 |
5 | 444330430120032 |
6 | 21553343012305 |
7 | 2125414254005 |
oct | 342701330361 |
9 | 86534862465 |
10 | 30451020017 |
11 | 11a06897050 |
12 | 5a99b9a095 |
13 | 2b4395b152 |
14 | 168c2d0705 |
15 | bd35196b2 |
hex | 71705b0f1 |
30451020017 has 16 divisors (see below), whose sum is σ = 35293579200. Its totient is φ = 26005775040.
The previous prime is 30451020001. The next prime is 30451020121. The reversal of 30451020017 is 71002015403.
It is a cyclic number.
It is not a de Polignac number, because 30451020017 - 24 = 30451020001 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30451019974 and 30451020001.
It is not an unprimeable number, because it can be changed into a prime (30451020917) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1278167 + ... + 1301772.
It is an arithmetic number, because the mean of its divisors is an integer number (2205848700).
Almost surely, 230451020017 is an apocalyptic number.
30451020017 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
30451020017 is a deficient number, since it is larger than the sum of its proper divisors (4842559183).
30451020017 is a wasteful number, since it uses less digits than its factorization.
30451020017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2580016.
The product of its (nonzero) digits is 840, while the sum is 23.
The spelling of 30451020017 in words is "thirty billion, four hundred fifty-one million, twenty thousand, seventeen".
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