Base | Representation |
---|---|
bin | 100000101000001100… |
… | …1000010101111000011 |
3 | 20200212011201022111112 |
4 | 1001100121002233003 |
5 | 2121444431000234 |
6 | 52104445033535 |
7 | 5030233014224 |
oct | 1012031025703 |
9 | 220764638445 |
10 | 70068218819 |
11 | 27796756965 |
12 | 116b58558ab |
13 | 67b8611511 |
14 | 3569ad324b |
15 | 1c515d8ace |
hex | 1050642bc3 |
70068218819 has 2 divisors, whose sum is σ = 70068218820. Its totient is φ = 70068218818.
The previous prime is 70068218809. The next prime is 70068218879. The reversal of 70068218819 is 91881286007.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 70068218819 - 216 = 70068153283 is a prime.
It is a super-2 number, since 2×700682188192 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (70068218809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35034109409 + 35034109410.
It is an arithmetic number, because the mean of its divisors is an integer number (35034109410).
Almost surely, 270068218819 is an apocalyptic number.
70068218819 is a deficient number, since it is larger than the sum of its proper divisors (1).
70068218819 is an equidigital number, since it uses as much as digits as its factorization.
70068218819 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 387072, while the sum is 50.
The spelling of 70068218819 in words is "seventy billion, sixty-eight million, two hundred eighteen thousand, eight hundred nineteen".
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