Base | Representation |
---|---|
bin | 101111101010100110… |
… | …1010011000111111010 |
3 | 100210012201210211212020 |
4 | 1133111031103013322 |
5 | 3134113441443033 |
6 | 115005113255310 |
7 | 10252415350503 |
oct | 1372515230772 |
9 | 323181724766 |
10 | 102361281018 |
11 | 3a458302517 |
12 | 17a08704536 |
13 | 9863a8c949 |
14 | 4d508c1baa |
15 | 29e16b36b3 |
hex | 17d53531fa |
102361281018 has 32 divisors (see below), whose sum is σ = 207218039616. Its totient is φ = 33704629248.
The previous prime is 102361280981. The next prime is 102361281073. The reversal of 102361281018 is 810182163201.
102361281018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 102361281018.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6781696 + ... + 6796772.
It is an arithmetic number, because the mean of its divisors is an integer number (6475563738).
Almost surely, 2102361281018 is an apocalyptic number.
102361281018 is an abundant number, since it is smaller than the sum of its proper divisors (104856758598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102361281018 is a wasteful number, since it uses less digits than its factorization.
102361281018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28798.
The product of its (nonzero) digits is 4608, while the sum is 33.
The spelling of 102361281018 in words is "one hundred two billion, three hundred sixty-one million, two hundred eighty-one thousand, eighteen".
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