Base | Representation |
---|---|
bin | 1011111011110011101101… |
… | …0011010101010110011011 |
3 | 1201110110111002211222011202 |
4 | 2332330323103111112123 |
5 | 3204443100210410321 |
6 | 43524115124144415 |
7 | 2523020236523336 |
oct | 276747323252633 |
9 | 51413432758152 |
10 | 13122120013211 |
11 | 41aa072722150 |
12 | 157b1a353810b |
13 | 742545149a71 |
14 | 335184b4761d |
15 | 17b50a80970b |
hex | bef3b4d559b |
13122120013211 has 8 divisors (see below), whose sum is σ = 14323647995904. Its totient is φ = 11922026694120.
The previous prime is 13122120013207. The next prime is 13122120013243. The reversal of 13122120013211 is 11231002122131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13122120013211 - 22 = 13122120013207 is a prime.
It is a super-2 number, since 2×131221200132112 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13122120013201) 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, 358646771 + ... + 358683356.
It is an arithmetic number, because the mean of its divisors is an integer number (1790455999488).
Almost surely, 213122120013211 is an apocalyptic number.
13122120013211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13122120013211 is a deficient number, since it is larger than the sum of its proper divisors (1201527982693).
13122120013211 is a wasteful number, since it uses less digits than its factorization.
13122120013211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717331801.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 13122120013211 its reverse (11231002122131), we get a palindrome (24353122135342).
The spelling of 13122120013211 in words is "thirteen trillion, one hundred twenty-two billion, one hundred twenty million, thirteen thousand, two hundred eleven".
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