Base | Representation |
---|---|
bin | 11100110110111001… |
… | …001110001000000001 |
3 | 2221222110010201112200 |
4 | 130312321032020001 |
5 | 1001424322201201 |
6 | 22122403543413 |
7 | 2144566310511 |
oct | 346671161001 |
9 | 87873121480 |
10 | 30985740801 |
11 | 12160708754 |
12 | 600908ab69 |
13 | 2bca67bb92 |
14 | 16dd323841 |
15 | c15440386 |
hex | 736e4e201 |
30985740801 has 24 divisors (see below), whose sum is σ = 45030991200. Its totient is φ = 20531174976.
The previous prime is 30985740787. The next prime is 30985740803. The reversal of 30985740801 is 10804758903.
It is not a de Polignac number, because 30985740801 - 210 = 30985739777 is a prime.
It is a super-2 number, since 2×309857408012 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30985740803) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961650 + ... + 993348.
It is an arithmetic number, because the mean of its divisors is an integer number (1876291300).
Almost surely, 230985740801 is an apocalyptic number.
It is an amenable number.
30985740801 is a deficient number, since it is larger than the sum of its proper divisors (14045250399).
30985740801 is a wasteful number, since it uses less digits than its factorization.
30985740801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32365 (or 32362 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The spelling of 30985740801 in words is "thirty billion, nine hundred eighty-five million, seven hundred forty thousand, eight hundred one".
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