Base | Representation |
---|---|
bin | 110001000101110010… |
… | …1011101100011000100 |
3 | 101002002222100011011221 |
4 | 1202023211131203010 |
5 | 3211400243142414 |
6 | 120232455210124 |
7 | 10421301203614 |
oct | 1421345354304 |
9 | 332088304157 |
10 | 105421068484 |
11 | 40788499096 |
12 | 18521376944 |
13 | 9c30978484 |
14 | 516100ca44 |
15 | 2b20117224 |
hex | 188b95d8c4 |
105421068484 has 6 divisors (see below), whose sum is σ = 184486869854. Its totient is φ = 52710534240.
The previous prime is 105421068481. The next prime is 105421068547. The reversal of 105421068484 is 484860124501.
It can be written as a sum of positive squares in only one way, i.e., 68603134084 + 36817934400 = 261922^2 + 191880^2 .
It is a super-2 number, since 2×1054210684842 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 105421068484.
It is not an unprimeable number, because it can be changed into a prime (105421068481) 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 as a sum of consecutive naturals, namely, 13177633557 + ... + 13177633564.
Almost surely, 2105421068484 is an apocalyptic number.
It is an amenable number.
105421068484 is a deficient number, since it is larger than the sum of its proper divisors (79065801370).
105421068484 is a wasteful number, since it uses less digits than its factorization.
105421068484 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26355267125 (or 26355267123 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 43.
The spelling of 105421068484 in words is "one hundred five billion, four hundred twenty-one million, sixty-eight thousand, four hundred eighty-four".
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