Base | Representation |
---|---|
bin | 1101110000100111011100… |
… | …11110010100011001001000 |
3 | 10222010121112122211202210110 |
4 | 12320103232132110121020 |
5 | 12431220333120331110 |
6 | 144204115124114320 |
7 | 6242023160110620 |
oct | 670235636243110 |
9 | 128117478752713 |
10 | 30257750558280 |
11 | 9706270410473 |
12 | 34881a35359a0 |
13 | 13b63a81659ab |
14 | 7686a9293880 |
15 | 377118269a20 |
hex | 1b84ee794648 |
30257750558280 has 64 divisors (see below), whose sum is σ = 103740859059840. Its totient is φ = 6916057270272.
The previous prime is 30257750558267. The next prime is 30257750558309. The reversal of 30257750558280 is 8285505775203.
It is a self number, because there is not a number n which added to its sum of digits gives 30257750558280.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18010564969 + ... + 18010566648.
It is an arithmetic number, because the mean of its divisors is an integer number (1620950922810).
Almost surely, 230257750558280 is an apocalyptic number.
30257750558280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30257750558280 is an abundant number, since it is smaller than the sum of its proper divisors (73483108501560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30257750558280 is a wasteful number, since it uses less digits than its factorization.
30257750558280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36021131638 (or 36021131634 counting only the distinct ones).
The product of its (nonzero) digits is 23520000, while the sum is 57.
The spelling of 30257750558280 in words is "thirty trillion, two hundred fifty-seven billion, seven hundred fifty million, five hundred fifty-eight thousand, two hundred eighty".
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