Base | Representation |
---|---|
bin | 1101101111100011001111… |
… | …10001111000001011011111 |
3 | 10222000010000120201122012122 |
4 | 12313301213301320023133 |
5 | 12430120334020214241 |
6 | 144135221304253155 |
7 | 6236255541152402 |
oct | 667614761701337 |
9 | 128003016648178 |
10 | 30221131023071 |
11 | 96a178966568a |
12 | 34810837711bb |
13 | 13b2ac0559571 |
14 | 7669d3a49d39 |
15 | 3761c342c04b |
hex | 1b7c67c782df |
30221131023071 has 2 divisors, whose sum is σ = 30221131023072. Its totient is φ = 30221131023070.
The previous prime is 30221131023001. The next prime is 30221131023079. The reversal of 30221131023071 is 17032013112203.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30221131023071 - 214 = 30221131006687 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30221131023071.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30221131023079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110565511535 + 15110565511536.
It is an arithmetic number, because the mean of its divisors is an integer number (15110565511536).
Almost surely, 230221131023071 is an apocalyptic number.
30221131023071 is a deficient number, since it is larger than the sum of its proper divisors (1).
30221131023071 is an equidigital number, since it uses as much as digits as its factorization.
30221131023071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 26.
Adding to 30221131023071 its reverse (17032013112203), we get a palindrome (47253144135274).
The spelling of 30221131023071 in words is "thirty trillion, two hundred twenty-one billion, one hundred thirty-one million, twenty-three thousand, seventy-one".
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