Base | Representation |
---|---|
bin | 101111100100001000… |
… | …0011100100101111111 |
3 | 100202122120221221200011 |
4 | 1133020100130211333 |
5 | 3133142331034211 |
6 | 114531352244051 |
7 | 10244136460312 |
oct | 1371020344577 |
9 | 322576857604 |
10 | 102144002431 |
11 | 3a356698939 |
12 | 179679a0627 |
13 | 982aa65b33 |
14 | 4d2dac2979 |
15 | 29cc594921 |
hex | 17c841c97f |
102144002431 has 8 divisors (see below), whose sum is σ = 104523757184. Its totient is φ = 99764443800.
The previous prime is 102144002417. The next prime is 102144002447. The reversal of 102144002431 is 134200441201.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102144002431 - 25 = 102144002399 is a prime.
It is a super-2 number, since 2×1021440024312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102144003431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859206 + ... + 1913356.
It is an arithmetic number, because the mean of its divisors is an integer number (13065469648).
Almost surely, 2102144002431 is an apocalyptic number.
102144002431 is a deficient number, since it is larger than the sum of its proper divisors (2379754753).
102144002431 is an equidigital number, since it uses as much as digits as its factorization.
102144002431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98061.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 102144002431 its reverse (134200441201), we get a palindrome (236344443632).
The spelling of 102144002431 in words is "one hundred two billion, one hundred forty-four million, two thousand, four hundred thirty-one".
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