Base | Representation |
---|---|
bin | 1101101110111111100111… |
… | …00011011110110101110111 |
3 | 10221221021122101122002220001 |
4 | 12313133303203132311313 |
5 | 12424312144303114111 |
6 | 144122335142252131 |
7 | 6235010513430541 |
oct | 667376343366567 |
9 | 127837571562801 |
10 | 30202001223031 |
11 | 9694662364790 |
12 | 3479425127047 |
13 | 13b1062243361 |
14 | 765adb164691 |
15 | 375953ca31c1 |
hex | 1b77f38ded77 |
30202001223031 has 16 divisors (see below), whose sum is σ = 33054525584640. Its totient is φ = 27367300134720.
The previous prime is 30202001222993. The next prime is 30202001223109. The reversal of 30202001223031 is 13032210020203.
It is a cyclic number.
It is not a de Polignac number, because 30202001223031 - 211 = 30202001220983 is a prime.
It is a super-2 number, since 2×302020012230312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202001220031) 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, 73540846 + ... + 73950388.
It is an arithmetic number, because the mean of its divisors is an integer number (2065907849040).
Almost surely, 230202001223031 is an apocalyptic number.
30202001223031 is a deficient number, since it is larger than the sum of its proper divisors (2852524361609).
30202001223031 is a wasteful number, since it uses less digits than its factorization.
30202001223031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431286.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30202001223031 its reverse (13032210020203), we get a palindrome (43234211243234).
The spelling of 30202001223031 in words is "thirty trillion, two hundred two billion, one million, two hundred twenty-three thousand, thirty-one".
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