Base | Representation |
---|---|
bin | 10010111000111101001110… |
… | …101010011011011100000101 |
3 | 101220011021002102222202012222 |
4 | 102320331032222123130011 |
5 | 41342131012232324223 |
6 | 452405523524022125 |
7 | 23333151620446046 |
oct | 2270751652333405 |
9 | 356137072882188 |
10 | 83078872151813 |
11 | 2452060851695a |
12 | 93992aa231945 |
13 | 37483c4c45825 |
14 | 16730789188cd |
15 | 9911136140c8 |
hex | 4b8f4ea9b705 |
83078872151813 has 2 divisors, whose sum is σ = 83078872151814. Its totient is φ = 83078872151812.
The previous prime is 83078872151797. The next prime is 83078872151837. The reversal of 83078872151813 is 31815127887038.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 62558497628449 + 20520374523364 = 7909393^2 + 4529942^2 .
It is a cyclic number.
It is not a de Polignac number, because 83078872151813 - 24 = 83078872151797 is a prime.
It is a super-2 number, since 2×830788721518132 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83078872751813) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41539436075906 + 41539436075907.
It is an arithmetic number, because the mean of its divisors is an integer number (41539436075907).
Almost surely, 283078872151813 is an apocalyptic number.
It is an amenable number.
83078872151813 is a deficient number, since it is larger than the sum of its proper divisors (1).
83078872151813 is an equidigital number, since it uses as much as digits as its factorization.
83078872151813 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 18063360, while the sum is 62.
The spelling of 83078872151813 in words is "eighty-three trillion, seventy-eight billion, eight hundred seventy-two million, one hundred fifty-one thousand, eight hundred thirteen".
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