Base | Representation |
---|---|
bin | 100101010111010110… |
… | …1101011001000110110 |
3 | 21200010002212211201000 |
4 | 1022232231223020312 |
5 | 2303313044320321 |
6 | 100510110544130 |
7 | 5540303005614 |
oct | 1125655531066 |
9 | 250102784630 |
10 | 80240620086 |
11 | 31036813560 |
12 | 13674508046 |
13 | 7749c41c73 |
14 | 3c52ad26b4 |
15 | 214969d826 |
hex | 12aeb6b236 |
80240620086 has 128 divisors (see below), whose sum is σ = 201899174400. Its totient is φ = 23398865280.
The previous prime is 80240620081. The next prime is 80240620123. The reversal of 80240620086 is 68002604208.
80240620086 is a `hidden beast` number, since 8 + 0 + 24 + 0 + 620 + 0 + 8 + 6 = 666.
It is a super-2 number, since 2×802406200862 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80240620086.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80240620081) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5280796 + ... + 5295968.
It is an arithmetic number, because the mean of its divisors is an integer number (1577337300).
Almost surely, 280240620086 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80240620086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100949587200).
80240620086 is an abundant number, since it is smaller than the sum of its proper divisors (121658554314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80240620086 is a wasteful number, since it uses less digits than its factorization.
80240620086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15531 (or 15525 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The spelling of 80240620086 in words is "eighty billion, two hundred forty million, six hundred twenty thousand, eighty-six".
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