Base | Representation |
---|---|
bin | 110001000000110110… |
… | …0011000100111100110 |
3 | 101001200102001122111201 |
4 | 1202001230120213212 |
5 | 3211030302024032 |
6 | 120204210153114 |
7 | 10414214453146 |
oct | 1420154304746 |
9 | 331612048451 |
10 | 105255111142 |
11 | 40702847965 |
12 | 1849588279a |
13 | 9c0548026c |
14 | 5146d6c926 |
15 | 2b107848e7 |
hex | 1881b189e6 |
105255111142 has 8 divisors (see below), whose sum is σ = 167169882456. Its totient is φ = 49531816992.
The previous prime is 105255111109. The next prime is 105255111151. The reversal of 105255111142 is 241111552501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1052551111422 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 105255111142.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1547869248 + ... + 1547869315.
It is an arithmetic number, because the mean of its divisors is an integer number (20896235307).
Almost surely, 2105255111142 is an apocalyptic number.
105255111142 is a deficient number, since it is larger than the sum of its proper divisors (61914771314).
105255111142 is a wasteful number, since it uses less digits than its factorization.
105255111142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3095738582.
The product of its (nonzero) digits is 2000, while the sum is 28.
Adding to 105255111142 its reverse (241111552501), we get a palindrome (346366663643).
The spelling of 105255111142 in words is "one hundred five billion, two hundred fifty-five million, one hundred eleven thousand, one hundred forty-two".
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