Base | Representation |
---|---|
bin | 1110101100101111111… |
… | …1100110111001000101 |
3 | 220010211021210020101211 |
4 | 3223023333212321011 |
5 | 13114140310134024 |
6 | 312002210051421 |
7 | 24146641164343 |
oct | 3531377467105 |
9 | 803737706354 |
10 | 252530552389 |
11 | 98108a05765 |
12 | 40b37b79b71 |
13 | 1aa7642787b |
14 | c318936993 |
15 | 688007c594 |
hex | 3acbfe6e45 |
252530552389 has 2 divisors, whose sum is σ = 252530552390. Its totient is φ = 252530552388.
The previous prime is 252530552383. The next prime is 252530552423. The reversal of 252530552389 is 983255035252.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 152835647364 + 99694905025 = 390942^2 + 315745^2 .
It is a cyclic number.
It is not a de Polignac number, because 252530552389 - 211 = 252530550341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252530552383) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126265276194 + 126265276195.
It is an arithmetic number, because the mean of its divisors is an integer number (126265276195).
Almost surely, 2252530552389 is an apocalyptic number.
It is an amenable number.
252530552389 is a deficient number, since it is larger than the sum of its proper divisors (1).
252530552389 is an equidigital number, since it uses as much as digits as its factorization.
252530552389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240000, while the sum is 49.
The spelling of 252530552389 in words is "two hundred fifty-two billion, five hundred thirty million, five hundred fifty-two thousand, three hundred eighty-nine".
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