Base | Representation |
---|---|
bin | 1101110001011011100100… |
… | …10001100010000110111001 |
3 | 10222020021202201010010000101 |
4 | 12320231302101202012321 |
5 | 12432200134242242443 |
6 | 144225023435035401 |
7 | 6244033443056245 |
oct | 670556221420671 |
9 | 128207681103011 |
10 | 30285731602873 |
11 | 9717119a4040a |
12 | 34916b229bb61 |
13 | 13b8c17177906 |
14 | 769ba150b425 |
15 | 377c049d984d |
hex | 1b8b724621b9 |
30285731602873 has 16 divisors (see below), whose sum is σ = 30768514983360. Its totient is φ = 29803862088000.
The previous prime is 30285731602859. The next prime is 30285731602897. The reversal of 30285731602873 is 37820613758203.
It is a cyclic number.
It is not a de Polignac number, because 30285731602873 - 213 = 30285731594681 is a prime.
It is a super-3 number, since 3×302857316028733 (a number of 41 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30285731602813) 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, 481757463 + ... + 481820323.
It is an arithmetic number, because the mean of its divisors is an integer number (1923032186460).
Almost surely, 230285731602873 is an apocalyptic number.
It is an amenable number.
30285731602873 is a deficient number, since it is larger than the sum of its proper divisors (482783380487).
30285731602873 is a wasteful number, since it uses less digits than its factorization.
30285731602873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70008.
The product of its (nonzero) digits is 10160640, while the sum is 55.
It can be divided in two parts, 3028573 and 1602873, that added together give a triangular number (4631446 = T3043).
The spelling of 30285731602873 in words is "thirty trillion, two hundred eighty-five billion, seven hundred thirty-one million, six hundred two thousand, eight hundred seventy-three".
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