Base | Representation |
---|---|
bin | 110001001000011100… |
… | …0111010110010010101 |
3 | 101002100011210010211002 |
4 | 1202100320322302111 |
5 | 3212041033230221 |
6 | 120245354353045 |
7 | 10423431445655 |
oct | 1422070726225 |
9 | 332304703732 |
10 | 105510055061 |
11 | 40823748014 |
12 | 1854712b785 |
13 | 9c46234058 |
14 | 516cb74365 |
15 | 2b27d4380b |
hex | 1890e3ac95 |
105510055061 has 8 divisors (see below), whose sum is σ = 106455129144. Its totient is φ = 104568960960.
The previous prime is 105510054967. The next prime is 105510055097. The reversal of 105510055061 is 160550015501.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 124768900 + 105385286161 = 11170^2 + 324631^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-105510055061 is a prime.
It is a super-2 number, since 2×1055100550612 (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 (105510055361) 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 in 7 ways as a sum of consecutive naturals, for example, 941726 + ... + 1047791.
It is an arithmetic number, because the mean of its divisors is an integer number (13306891143).
Almost surely, 2105510055061 is an apocalyptic number.
It is an amenable number.
105510055061 is a deficient number, since it is larger than the sum of its proper divisors (945074083).
105510055061 is a wasteful number, since it uses less digits than its factorization.
105510055061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1989991.
The product of its (nonzero) digits is 3750, while the sum is 29.
The spelling of 105510055061 in words is "one hundred five billion, five hundred ten million, fifty-five thousand, sixty-one".
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