Search a number
-
+
102361281018 = 23831363315077
BaseRepresentation
bin101111101010100110…
…1010011000111111010
3100210012201210211212020
41133111031103013322
53134113441443033
6115005113255310
710252415350503
oct1372515230772
9323181724766
10102361281018
113a458302517
1217a08704536
139863a8c949
144d508c1baa
1529e16b36b3
hex17d53531fa

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".

Divisors: 1 2 3 6 83 166 249 498 13633 15077 27266 30154 40899 45231 81798 90462 1131539 1251391 2263078 2502782 3394617 3754173 6789234 7508346 205544741 411089482 616634223 1233268446 17060213503 34120427006 51180640509 102361281018