Base | Representation |
---|---|
bin | 110001000101111010… |
… | …111011111011001001 |
3 | 12001001122012212020012 |
4 | 301011322323323021 |
5 | 1330423421412012 |
6 | 40114343441305 |
7 | 3544161301061 |
oct | 610572737311 |
9 | 161048185205 |
10 | 52712685257 |
11 | 2039aa336a1 |
12 | a271456235 |
13 | 4c80a7832b |
14 | 27a0b063a1 |
15 | 1587ad3622 |
hex | c45ebbec9 |
52712685257 has 2 divisors, whose sum is σ = 52712685258. Its totient is φ = 52712685256.
The previous prime is 52712685197. The next prime is 52712685271. The reversal of 52712685257 is 75258621725.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31488857401 + 21223827856 = 177451^2 + 145684^2 .
It is a cyclic number.
It is not a de Polignac number, because 52712685257 - 222 = 52708490953 is a prime.
It is not a weakly prime, because it can be changed into another prime (52712687257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26356342628 + 26356342629.
It is an arithmetic number, because the mean of its divisors is an integer number (26356342629).
Almost surely, 252712685257 is an apocalyptic number.
It is an amenable number.
52712685257 is a deficient number, since it is larger than the sum of its proper divisors (1).
52712685257 is an equidigital number, since it uses as much as digits as its factorization.
52712685257 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2352000, while the sum is 50.
The spelling of 52712685257 in words is "fifty-two billion, seven hundred twelve million, six hundred eighty-five thousand, two hundred fifty-seven".
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