Base | Representation |
---|---|
bin | 11001111000101010… |
… | …01000100001111011 |
3 | 1022212111210112202111 |
4 | 30330111020201323 |
5 | 211430122343221 |
6 | 10214554313151 |
7 | 1001245121044 |
oct | 147425104173 |
9 | 38774715674 |
10 | 13897074811 |
11 | 5991599aa4 |
12 | 283a1287b7 |
13 | 14061b2ab9 |
14 | 95b9638cb |
15 | 5650a1be1 |
hex | 33c54887b |
13897074811 has 2 divisors, whose sum is σ = 13897074812. Its totient is φ = 13897074810.
The previous prime is 13897074803. The next prime is 13897074857. The reversal of 13897074811 is 11847079831.
13897074811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13897074811 - 23 = 13897074803 is a prime.
It is not a weakly prime, because it can be changed into another prime (13897075811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6948537405 + 6948537406.
It is an arithmetic number, because the mean of its divisors is an integer number (6948537406).
Almost surely, 213897074811 is an apocalyptic number.
13897074811 is a deficient number, since it is larger than the sum of its proper divisors (1).
13897074811 is an equidigital number, since it uses as much as digits as its factorization.
13897074811 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 338688, while the sum is 49.
The spelling of 13897074811 in words is "thirteen billion, eight hundred ninety-seven million, seventy-four thousand, eight hundred eleven".
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