Base | Representation |
---|---|
bin | 10111001101110001111011… |
… | …010011001111101100011110 |
3 | 111101111212012002212112100000 |
4 | 113031301323103033230132 |
5 | 101340314424441444402 |
6 | 1001053005310315130 |
7 | 30335425341436620 |
oct | 2715617323175436 |
9 | 441455162775300 |
10 | 102102031203102 |
11 | 2a595256902007 |
12 | b5500837b8aa6 |
13 | 44c8245c6a878 |
14 | 1b2da9c3c0c10 |
15 | bc0d94eaec1c |
hex | 5cdc7b4cfb1e |
102102031203102 has 48 divisors (see below), whose sum is σ = 262187931987072. Its totient is φ = 29172008914200.
The previous prime is 102102031203101. The next prime is 102102031203113. The reversal of 102102031203102 is 201302130201201.
102102031203102 is a `hidden beast` number, since 1 + 0 + 21 + 0 + 20 + 312 + 0 + 310 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102102031203101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15006174024 + ... + 15006180827.
It is an arithmetic number, because the mean of its divisors is an integer number (5462248583064).
Almost surely, 2102102031203102 is an apocalyptic number.
102102031203102 is an abundant number, since it is smaller than the sum of its proper divisors (160085900783970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102102031203102 is an equidigital number, since it uses as much as digits as its factorization.
102102031203102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30012354875 (or 30012354863 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 102102031203102 its reverse (201302130201201), we get a palindrome (303404161404303).
The spelling of 102102031203102 in words is "one hundred two trillion, one hundred two billion, thirty-one million, two hundred three thousand, one hundred two".
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