Base | Representation |
---|---|
bin | 110000111001011001… |
… | …0011111110110101001 |
3 | 101001000222112111111222 |
4 | 1201302302133312221 |
5 | 3210022243233101 |
6 | 120123314431425 |
7 | 10405060146521 |
oct | 1416262376651 |
9 | 331028474458 |
10 | 105005055401 |
11 | 40594686324 |
12 | 18425b92575 |
13 | 9b9571b39c |
14 | 5121a7a681 |
15 | 2ae883e01b |
hex | 1872c9fda9 |
105005055401 has 4 divisors (see below), whose sum is σ = 105502709904. Its totient is φ = 104507400900.
The previous prime is 105005055307. The next prime is 105005055409. The reversal of 105005055401 is 104550500501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 105005055401 - 234 = 87825186217 is a prime.
It is a super-2 number, since 2×1050050554012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (105005055409) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248826935 + ... + 248827356.
It is an arithmetic number, because the mean of its divisors is an integer number (26375677476).
Almost surely, 2105005055401 is an apocalyptic number.
It is an amenable number.
105005055401 is a deficient number, since it is larger than the sum of its proper divisors (497654503).
105005055401 is an equidigital number, since it uses as much as digits as its factorization.
105005055401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 497654502.
The product of its (nonzero) digits is 2500, while the sum is 26.
Adding to 105005055401 its reverse (104550500501), we get a palindrome (209555555902).
The spelling of 105005055401 in words is "one hundred five billion, five million, fifty-five thousand, four hundred one".
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