Base | Representation |
---|---|
bin | 1011010001101001010… |
… | …00011001010000110111 |
3 | 1101001000200000022110122 |
4 | 11220310220121100313 |
5 | 22321424043423421 |
6 | 453552150442155 |
7 | 36663610116602 |
oct | 5506450312067 |
9 | 1331020008418 |
10 | 387430061111 |
11 | 13a343195255 |
12 | 6310566335b |
13 | 2a6c43a4992 |
14 | 14a749c5339 |
15 | a1280e72ab |
hex | 5a34a19437 |
387430061111 has 2 divisors, whose sum is σ = 387430061112. Its totient is φ = 387430061110.
The previous prime is 387430061069. The next prime is 387430061119. The reversal of 387430061111 is 111160034783.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-387430061111 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (387430061119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193715030555 + 193715030556.
It is an arithmetic number, because the mean of its divisors is an integer number (193715030556).
Almost surely, 2387430061111 is an apocalyptic number.
387430061111 is a deficient number, since it is larger than the sum of its proper divisors (1).
387430061111 is an equidigital number, since it uses as much as digits as its factorization.
387430061111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 35.
Adding to 387430061111 its reverse (111160034783), we get a palindrome (498590095894).
The spelling of 387430061111 in words is "three hundred eighty-seven billion, four hundred thirty million, sixty-one thousand, one hundred eleven".
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