Base | Representation |
---|---|
bin | 1001011011100100010… |
… | …1111111100001011011 |
3 | 120111012101121101100102 |
4 | 2112321011333201123 |
5 | 10123303400131234 |
6 | 202233000330015 |
7 | 14463662005466 |
oct | 2267105774133 |
9 | 514171541312 |
10 | 162019145819 |
11 | 62791647313 |
12 | 27497a7390b |
13 | 1238068866b |
14 | 7badb542dd |
15 | 4333d82c7e |
hex | 25b917f85b |
162019145819 has 2 divisors, whose sum is σ = 162019145820. Its totient is φ = 162019145818.
The previous prime is 162019145807. The next prime is 162019145839. The reversal of 162019145819 is 918541910261.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 162019145819 - 212 = 162019141723 is a prime.
It is a super-3 number, since 3×1620191458193 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (162019145839) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81009572909 + 81009572910.
It is an arithmetic number, because the mean of its divisors is an integer number (81009572910).
Almost surely, 2162019145819 is an apocalyptic number.
162019145819 is a deficient number, since it is larger than the sum of its proper divisors (1).
162019145819 is an equidigital number, since it uses as much as digits as its factorization.
162019145819 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 155520, while the sum is 47.
The spelling of 162019145819 in words is "one hundred sixty-two billion, nineteen million, one hundred forty-five thousand, eight hundred nineteen".
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