Base | Representation |
---|---|
bin | 110001000100110011… |
… | …0011111111100101110 |
3 | 101002000122201020020110 |
4 | 1202021212133330232 |
5 | 3211313233123110 |
6 | 120225310000450 |
7 | 10420415254332 |
oct | 1421146377456 |
9 | 332018636213 |
10 | 105387786030 |
11 | 4077072652a |
12 | 185121a6126 |
13 | 9c26ac4407 |
14 | 515a8277c2 |
15 | 2b1c240a20 |
hex | 188999ff2e |
105387786030 has 32 divisors (see below), whose sum is σ = 253141373088. Its totient is φ = 28080000000.
The previous prime is 105387786013. The next prime is 105387786043. The reversal of 105387786030 is 30687783501.
It is a super-2 number, since 2×1053877860302 (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, 1426471 + ... + 1498530.
It is an arithmetic number, because the mean of its divisors is an integer number (7910667909).
Almost surely, 2105387786030 is an apocalyptic number.
105387786030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
105387786030 is an abundant number, since it is smaller than the sum of its proper divisors (147753587058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105387786030 is a wasteful number, since it uses less digits than its factorization.
105387786030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2926212.
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 105387786030 in words is "one hundred five billion, three hundred eighty-seven million, seven hundred eighty-six thousand, thirty".
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