Base | Representation |
---|---|
bin | 1101101110111101110001… |
… | …00101111001110010100101 |
3 | 10221221012002110020110200111 |
4 | 12313132320211321302211 |
5 | 12424303133033030312 |
6 | 144122053044013021 |
7 | 6234644142252226 |
oct | 667367045716245 |
9 | 127835073213614 |
10 | 30201012001957 |
11 | 96941a4a33305 |
12 | 34791a9991171 |
13 | 13b0c3530b444 |
14 | 765a45a2124d |
15 | 3758e70008a7 |
hex | 1b77b8979ca5 |
30201012001957 has 2 divisors, whose sum is σ = 30201012001958. Its totient is φ = 30201012001956.
The previous prime is 30201012001871. The next prime is 30201012002011. The reversal of 30201012001957 is 75910021010203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27849325344516 + 2351686657441 = 5277246^2 + 1533521^2 .
It is a cyclic number.
It is not a de Polignac number, because 30201012001957 - 223 = 30201003613349 is a prime.
It is a super-2 number, since 2×302010120019572 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30201012011957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15100506000978 + 15100506000979.
It is an arithmetic number, because the mean of its divisors is an integer number (15100506000979).
Almost surely, 230201012001957 is an apocalyptic number.
It is an amenable number.
30201012001957 is a deficient number, since it is larger than the sum of its proper divisors (1).
30201012001957 is an equidigital number, since it uses as much as digits as its factorization.
30201012001957 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3780, while the sum is 31.
The spelling of 30201012001957 in words is "thirty trillion, two hundred one billion, twelve million, one thousand, nine hundred fifty-seven".
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