Base | Representation |
---|---|
bin | 110000111101100011… |
… | …0010011100011001111 |
3 | 101001101200212021101020 |
4 | 1201323012103203033 |
5 | 3210313440344430 |
6 | 120145214445223 |
7 | 10411402132350 |
oct | 1417306234317 |
9 | 331350767336 |
10 | 105144465615 |
11 | 40656345282 |
12 | 18464803813 |
13 | 9bb8580137 |
14 | 51363a9d27 |
15 | 2b05bcab10 |
hex | 187b1938cf |
105144465615 has 64 divisors (see below), whose sum is σ = 200854757376. Its totient is φ = 45923213952.
The previous prime is 105144465593. The next prime is 105144465623. The reversal of 105144465615 is 516564441501.
It is not a de Polignac number, because 105144465615 - 26 = 105144465551 is a prime.
It is a super-2 number, since 2×1051444656152 (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 63 ways as a sum of consecutive naturals, for example, 2107792 + ... + 2157098.
It is an arithmetic number, because the mean of its divisors is an integer number (3138355584).
Almost surely, 2105144465615 is an apocalyptic number.
105144465615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
105144465615 is a deficient number, since it is larger than the sum of its proper divisors (95710291761).
105144465615 is a wasteful number, since it uses less digits than its factorization.
105144465615 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50228.
The product of its (nonzero) digits is 288000, while the sum is 42.
The spelling of 105144465615 in words is "one hundred five billion, one hundred forty-four million, four hundred sixty-five thousand, six hundred fifteen".
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