Base | Representation |
---|---|
bin | 1110100010010010000111… |
… | …11110011011001001011101 |
3 | 11012011202102010100000001101 |
4 | 13101021003332123021131 |
5 | 13142200324441220204 |
6 | 151552105111513101 |
7 | 6506225555021362 |
oct | 721110376331135 |
9 | 135152363300041 |
10 | 31964287054429 |
11 | a203a8380a294 |
12 | 3702a87088791 |
13 | 14ab2b0b5a062 |
14 | 7c7118b86469 |
15 | 3a66e7847ea4 |
hex | 1d1243f9b25d |
31964287054429 has 2 divisors, whose sum is σ = 31964287054430. Its totient is φ = 31964287054428.
The previous prime is 31964287054397. The next prime is 31964287054451. The reversal of 31964287054429 is 92445078246913.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29804557016025 + 2159730038404 = 5459355^2 + 1469602^2 .
It is a cyclic number.
It is not a de Polignac number, because 31964287054429 - 25 = 31964287054397 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31964287054729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15982143527214 + 15982143527215.
It is an arithmetic number, because the mean of its divisors is an integer number (15982143527215).
It is a 2-persistent number, because it is pandigital, and so is 2⋅31964287054429 = 63928574108858, but 3⋅31964287054429 = 95892861163287 is not.
Almost surely, 231964287054429 is an apocalyptic number.
It is an amenable number.
31964287054429 is a deficient number, since it is larger than the sum of its proper divisors (1).
31964287054429 is an equidigital number, since it uses as much as digits as its factorization.
31964287054429 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 104509440, while the sum is 64.
The spelling of 31964287054429 in words is "thirty-one trillion, nine hundred sixty-four billion, two hundred eighty-seven million, fifty-four thousand, four hundred twenty-nine".
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