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102288478034 = 267763346851
BaseRepresentation
bin101111101000011011…
…1100100111101010010
3100210000122211001221102
41133100313210331102
53133441322244114
6114553553024402
710250542501061
oct1372067447522
9323018731842
10102288478034
113a4201a7566
12179a8255102
13985197c362
144d44d701d8
1529da0d22de
hex17d0de4f52

102288478034 has 8 divisors (see below), whose sum is σ = 155722757808. Its totient is φ = 50380892100.

The previous prime is 102288478031. The next prime is 102288478051. The reversal of 102288478034 is 430874882201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102288478034.

It is not an unprimeable number, because it can be changed into a prime (102288478031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381673292 + ... + 381673559.

It is an arithmetic number, because the mean of its divisors is an integer number (19465344726).

Almost surely, 2102288478034 is an apocalyptic number.

102288478034 is a deficient number, since it is larger than the sum of its proper divisors (53434279774).

102288478034 is an equidigital number, since it uses as much as digits as its factorization.

102288478034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763346920.

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 102288478034 in words is "one hundred two billion, two hundred eighty-eight million, four hundred seventy-eight thousand, thirty-four".

Divisors: 1 2 67 134 763346851 1526693702 51144239017 102288478034