Base | Representation |
---|---|
bin | 1101011111100110001… |
… | …0010100011011110011 |
3 | 211011100220211111112122 |
4 | 3113321202110123303 |
5 | 12244231331240232 |
6 | 254255130344455 |
7 | 22514465463155 |
oct | 3277142243363 |
9 | 734326744478 |
10 | 231819790067 |
11 | 8a350256468 |
12 | 38b17b8b12b |
13 | 18b25713018 |
14 | b3120b4ad5 |
15 | 606bc15312 |
hex | 35f98946f3 |
231819790067 has 2 divisors, whose sum is σ = 231819790068. Its totient is φ = 231819790066.
The previous prime is 231819790031. The next prime is 231819790079. The reversal of 231819790067 is 760097918132.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 231819790067 - 232 = 227524822771 is a prime.
It is not a weakly prime, because it can be changed into another prime (231819790967) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115909895033 + 115909895034.
It is an arithmetic number, because the mean of its divisors is an integer number (115909895034).
Almost surely, 2231819790067 is an apocalyptic number.
231819790067 is a deficient number, since it is larger than the sum of its proper divisors (1).
231819790067 is an equidigital number, since it uses as much as digits as its factorization.
231819790067 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1143072, while the sum is 53.
The spelling of 231819790067 in words is "two hundred thirty-one billion, eight hundred nineteen million, seven hundred ninety thousand, sixty-seven".
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