Base | Representation |
---|---|
bin | 1011111011101111100101… |
… | …0001011001101000011000 |
3 | 1201110100121220022202010121 |
4 | 2332323321101121220120 |
5 | 3204433313111211300 |
6 | 43523413152123024 |
7 | 2522650625411056 |
oct | 276737121315030 |
9 | 51410556282117 |
10 | 13121012210200 |
11 | 41a9654368374 |
12 | 157ab34536474 |
13 | 7423c979651b |
14 | 3350bb9771d6 |
15 | 17b49343181a |
hex | beef9459a18 |
13121012210200 has 48 divisors (see below), whose sum is σ = 30507112520280. Its totient is φ = 5248274280960.
The previous prime is 13121012210197. The next prime is 13121012210213. The reversal of 13121012210200 is 201221012131.
It is a super-3 number, since 3×131210122102003 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7449744 + ... + 9041056.
Almost surely, 213121012210200 is an apocalyptic number.
13121012210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13121012210200 is an abundant number, since it is smaller than the sum of its proper divisors (17386100310080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13121012210200 is a wasteful number, since it uses less digits than its factorization.
13121012210200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1632556 (or 1632547 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 13121012210200 its reverse (201221012131), we get a palindrome (13322233222331).
The spelling of 13121012210200 in words is "thirteen trillion, one hundred twenty-one billion, twelve million, two hundred ten thousand, two hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •