Base | Representation |
---|---|
bin | 110001000100101111… |
… | …1011101101111111111 |
3 | 101002000112020112201121 |
4 | 1202021133131233333 |
5 | 3211312300121030 |
6 | 120225202251411 |
7 | 10420363504234 |
oct | 1421137355777 |
9 | 332015215647 |
10 | 105385942015 |
11 | 4076a687052 |
12 | 18511656b67 |
13 | 9c265c9c93 |
14 | 515a4a778b |
15 | 2b1bec947a |
hex | 18897ddbff |
105385942015 has 16 divisors (see below), whose sum is σ = 127310863680. Its totient is φ = 83744317440.
The previous prime is 105385941953. The next prime is 105385942043. The reversal of 105385942015 is 510249583501.
It is not a de Polignac number, because 105385942015 - 27 = 105385941887 is a prime.
It is a super-2 number, since 2×1053859420152 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149055 + ... + 1237375.
It is an arithmetic number, because the mean of its divisors is an integer number (7956928980).
Almost surely, 2105385942015 is an apocalyptic number.
105385942015 is a deficient number, since it is larger than the sum of its proper divisors (21924921665).
105385942015 is a wasteful number, since it uses less digits than its factorization.
105385942015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89922.
The product of its (nonzero) digits is 216000, while the sum is 43.
The spelling of 105385942015 in words is "one hundred five billion, three hundred eighty-five million, nine hundred forty-two thousand, fifteen".
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