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102618188386 = 2742117410619
BaseRepresentation
bin101111110010010000…
…1010100101001100010
3100210212122020002111221
41133210201110221202
53140130224012021
6115050411525254
710261655131540
oct1374441245142
9323778202457
10102618188386
113a57a32385a
1217a7a75982a
1398a508033c
144d76a78d90
152a0900e241
hex17e4854a62

102618188386 has 16 divisors (see below), whose sum is σ = 176334759360. Its totient is φ = 43874757360.

The previous prime is 102618188369. The next prime is 102618188389. The reversal of 102618188386 is 683881816201.

It is not an unprimeable number, because it can be changed into a prime (102618188389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8699416 + ... + 8711203.

It is an arithmetic number, because the mean of its divisors is an integer number (11020922460).

Almost surely, 2102618188386 is an apocalyptic number.

102618188386 is a deficient number, since it is larger than the sum of its proper divisors (73716570974).

102618188386 is a wasteful number, since it uses less digits than its factorization.

102618188386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17411049.

The product of its (nonzero) digits is 884736, while the sum is 52.

The spelling of 102618188386 in words is "one hundred two billion, six hundred eighteen million, one hundred eighty-eight thousand, three hundred eighty-six".

Divisors: 1 2 7 14 421 842 2947 5894 17410619 34821238 121874333 243748666 7329870599 14659741198 51309094193 102618188386