Base | Representation |
---|---|
bin | 1011111011101111111010… |
… | …1001000110111100101011 |
3 | 1201110100212011212100111002 |
4 | 2332323332221012330223 |
5 | 3204434004142424321 |
6 | 43523430131225215 |
7 | 2522653101304166 |
oct | 276737651067453 |
9 | 51410764770432 |
10 | 13121102311211 |
11 | 41a96a0208614 |
12 | 157ab5a74820b |
13 | 74241235242b |
14 | 3350c990cadd |
15 | 17b49b2cd20b |
hex | beefea46f2b |
13121102311211 has 8 divisors (see below), whose sum is σ = 13853413800000. Its totient is φ = 12392963538120.
The previous prime is 13121102311183. The next prime is 13121102311217. The reversal of 13121102311211 is 11211320112131.
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 13121102311211 - 210 = 13121102310187 is a prime.
It is a super-2 number, since 2×131211023112112 (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 (13121102311217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043172461 + ... + 1043185038.
It is an arithmetic number, because the mean of its divisors is an integer number (1731676725000).
Almost surely, 213121102311211 is an apocalyptic number.
13121102311211 is a deficient number, since it is larger than the sum of its proper divisors (732311488789).
13121102311211 is a wasteful number, since it uses less digits than its factorization.
13121102311211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2086357849.
The product of its (nonzero) digits is 72, while the sum is 20.
Adding to 13121102311211 its reverse (11211320112131), we get a palindrome (24332422423342).
The spelling of 13121102311211 in words is "thirteen trillion, one hundred twenty-one billion, one hundred two million, three hundred eleven thousand, two hundred eleven".
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