Base | Representation |
---|---|
bin | 10100111010110111… |
… | …01000100010000001 |
3 | 1001222201111010221120 |
4 | 22131123220202001 |
5 | 141000141421114 |
6 | 5054243342453 |
7 | 545214431301 |
oct | 123533504201 |
9 | 31881433846 |
10 | 11231201409 |
11 | 48437a193a |
12 | 2215381a29 |
13 | 109cab770c |
14 | 787895601 |
15 | 45b00d5a9 |
hex | 29d6e8881 |
11231201409 has 8 divisors (see below), whose sum is σ = 14984497920. Its totient is φ = 7482686256.
The previous prime is 11231201407. The next prime is 11231201413. The reversal of 11231201409 is 90410213211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11231201409 - 21 = 11231201407 is a prime.
It is a super-2 number, since 2×112312014092 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (11231201407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189854 + ... + 1199255.
It is an arithmetic number, because the mean of its divisors is an integer number (1873062240).
Almost surely, 211231201409 is an apocalyptic number.
It is an amenable number.
11231201409 is a deficient number, since it is larger than the sum of its proper divisors (3753296511).
11231201409 is a wasteful number, since it uses less digits than its factorization.
11231201409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2390679.
The product of its (nonzero) digits is 432, while the sum is 24.
The spelling of 11231201409 in words is "eleven billion, two hundred thirty-one million, two hundred one thousand, four hundred nine".
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