Base | Representation |
---|---|
bin | 111110101001011… |
… | …1010011111000000 |
3 | 12102111111021000021 |
4 | 1331102322133000 |
5 | 13301120011034 |
6 | 544331303224 |
7 | 103043433001 |
oct | 17522723700 |
9 | 5374437007 |
10 | 2102110144 |
11 | 98964a512 |
12 | 4a7baab14 |
13 | 276679474 |
14 | 15d2791a8 |
15 | c48326b4 |
hex | 7d4ba7c0 |
2102110144 has 56 divisors (see below), whose sum is σ = 4407814400. Its totient is φ = 991906560.
The previous prime is 2102110121. The next prime is 2102110159. The reversal of 2102110144 is 4410112012.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
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, 326347 + ... + 332725.
Almost surely, 22102110144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2102110144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203907200).
2102110144 is an abundant number, since it is smaller than the sum of its proper divisors (2305704256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102110144 is a wasteful number, since it uses less digits than its factorization.
2102110144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6681 (or 6671 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 2102110144 is about 45848.7747273578. The cubic root of 2102110144 is about 1281.0079430605.
Adding to 2102110144 its reverse (4410112012), we get a palindrome (6512222156).
The spelling of 2102110144 in words is "two billion, one hundred two million, one hundred ten thousand, one hundred forty-four".
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