Base | Representation |
---|---|
bin | 100000110101011011… |
… | …1111111110011011101 |
3 | 20202000010210012210122 |
4 | 1001222313333303131 |
5 | 2123402202302033 |
6 | 52220520244325 |
7 | 5044236464654 |
oct | 1015267776335 |
9 | 222003705718 |
10 | 70512540893 |
11 | 279a4544693 |
12 | 117ba6106a5 |
13 | 68596a09a2 |
14 | 35acb1419b |
15 | 1c7a604a98 |
hex | 106adffcdd |
70512540893 has 2 divisors, whose sum is σ = 70512540894. Its totient is φ = 70512540892.
The previous prime is 70512540887. The next prime is 70512540971. The reversal of 70512540893 is 39804521507.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 58899892249 + 11612648644 = 242693^2 + 107762^2 .
It is an emirp because it is prime and its reverse (39804521507) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 70512540893 - 230 = 69438799069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70512548893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35256270446 + 35256270447.
It is an arithmetic number, because the mean of its divisors is an integer number (35256270447).
Almost surely, 270512540893 is an apocalyptic number.
It is an amenable number.
70512540893 is a deficient number, since it is larger than the sum of its proper divisors (1).
70512540893 is an equidigital number, since it uses as much as digits as its factorization.
70512540893 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 302400, while the sum is 44.
The spelling of 70512540893 in words is "seventy billion, five hundred twelve million, five hundred forty thousand, eight hundred ninety-three".
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