Base | Representation |
---|---|
bin | 111111111101010100… |
… | …110111001011011111 |
3 | 20120021001101212001121 |
4 | 333331110313023133 |
5 | 2111121200121413 |
6 | 51314303151411 |
7 | 4650551405323 |
oct | 777524671337 |
9 | 216231355047 |
10 | 68674613983 |
11 | 27141035a28 |
12 | 11386ba5567 |
13 | 6625991881 |
14 | 34769a7983 |
15 | 1bbe0a8b8d |
hex | ffd5372df |
68674613983 has 2 divisors, whose sum is σ = 68674613984. Its totient is φ = 68674613982.
The previous prime is 68674613971. The next prime is 68674614083. The reversal of 68674613983 is 38931647686.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68674613983 - 29 = 68674613471 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68674613933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34337306991 + 34337306992.
It is an arithmetic number, because the mean of its divisors is an integer number (34337306992).
Almost surely, 268674613983 is an apocalyptic number.
68674613983 is a deficient number, since it is larger than the sum of its proper divisors (1).
68674613983 is an equidigital number, since it uses as much as digits as its factorization.
68674613983 is an evil number, because the sum of its binary digits is even.
The product of its digits is 31352832, while the sum is 61.
The spelling of 68674613983 in words is "sixty-eight billion, six hundred seventy-four million, six hundred thirteen thousand, nine hundred eighty-three".
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