Base | Representation |
---|---|
bin | 101111101111111010110110… |
… | …111111100111110010110101 |
3 | 1000112112220210202221121121020 |
4 | 233233322312333213302311 |
5 | 210011124424440231010 |
6 | 2022345115302211353 |
7 | 62143041350120205 |
oct | 5757726677476265 |
9 | 1015486722847536 |
10 | 210001201102005 |
11 | 60a05011336055 |
12 | 1b677781423b59 |
13 | 902404a206341 |
14 | 39c018048c405 |
15 | 194292e689470 |
hex | befeb6fe7cb5 |
210001201102005 has 24 divisors (see below), whose sum is σ = 351245865296928. Its totient is φ = 107131047514656.
The previous prime is 210001201101983. The next prime is 210001201102009. The reversal of 210001201102005 is 500201102100012.
It is not a de Polignac number, because 210001201102005 - 27 = 210001201101877 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210001201102009) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13232581927 + ... + 13232597796.
It is an arithmetic number, because the mean of its divisors is an integer number (14635244387372).
Almost surely, 2210001201102005 is an apocalyptic number.
It is an amenable number.
210001201102005 is a deficient number, since it is larger than the sum of its proper divisors (141244664194923).
210001201102005 is a wasteful number, since it uses less digits than its factorization.
210001201102005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26465179777 (or 26465179754 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 15.
Adding to 210001201102005 its reverse (500201102100012), we get a palindrome (710202303202017).
The spelling of 210001201102005 in words is "two hundred ten trillion, one billion, two hundred one million, one hundred two thousand, five".
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