Base | Representation |
---|---|
bin | 110001000101110010… |
… | …1011101101010011110 |
3 | 101002002222100011211111 |
4 | 1202023211131222132 |
5 | 3211400243201313 |
6 | 120232455212234 |
7 | 10421301205162 |
oct | 1421345355236 |
9 | 332088304744 |
10 | 105421068958 |
11 | 40788499487 |
12 | 1852137707a |
13 | 9c3097875a |
14 | 516100cca2 |
15 | 2b2011743d |
hex | 188b95da9e |
105421068958 has 4 divisors (see below), whose sum is σ = 158131603440. Its totient is φ = 52710534478.
The previous prime is 105421068887. The next prime is 105421068959. The reversal of 105421068958 is 859860124501.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×1054210689583 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105421068959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26355267238 + ... + 26355267241.
It is an arithmetic number, because the mean of its divisors is an integer number (39532900860).
Almost surely, 2105421068958 is an apocalyptic number.
105421068958 is a deficient number, since it is larger than the sum of its proper divisors (52710534482).
105421068958 is an equidigital number, since it uses as much as digits as its factorization.
105421068958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52710534481.
The product of its (nonzero) digits is 691200, while the sum is 49.
The spelling of 105421068958 in words is "one hundred five billion, four hundred twenty-one million, sixty-eight thousand, nine hundred fifty-eight".
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