Base | Representation |
---|---|
bin | 11000011100000001… |
… | …10101010010111011 |
3 | 1020212100121010011210 |
4 | 30032000311102323 |
5 | 203332210014321 |
6 | 10005515054203 |
7 | 643061112252 |
oct | 141600652273 |
9 | 36770533153 |
10 | 13120001211 |
11 | 5622998109 |
12 | 2661a41363 |
13 | 13111c9335 |
14 | 8c6685799 |
15 | 51bc57b76 |
hex | 30e0354bb |
13120001211 has 16 divisors (see below), whose sum is σ = 17643352320. Its totient is φ = 8671784160.
The previous prime is 13120001203. The next prime is 13120001221. The reversal of 13120001211 is 11210002131.
It is not a de Polignac number, because 13120001211 - 23 = 13120001203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13120001221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420786 + ... + 450888.
It is an arithmetic number, because the mean of its divisors is an integer number (1102709520).
Almost surely, 213120001211 is an apocalyptic number.
13120001211 is a deficient number, since it is larger than the sum of its proper divisors (4523351109).
13120001211 is a wasteful number, since it uses less digits than its factorization.
13120001211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31346.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 13120001211 its reverse (11210002131), we get a palindrome (24330003342).
The spelling of 13120001211 in words is "thirteen billion, one hundred twenty million, one thousand, two hundred eleven".
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