Base | Representation |
---|---|
bin | 10110100010011110… |
… | …00010000001111011 |
3 | 1011020021212121012120 |
4 | 23101033002001323 |
5 | 144240140010321 |
6 | 5320411412323 |
7 | 605566652040 |
oct | 132117020173 |
9 | 34207777176 |
10 | 12100313211 |
11 | 514a347458 |
12 | 24184540a3 |
13 | 11aab87a5c |
14 | 82b0911c7 |
15 | 4ac487ec6 |
hex | 2d13c207b |
12100313211 has 16 divisors (see below), whose sum is σ = 18545159424. Its totient is φ = 6874494624.
The previous prime is 12100313201. The next prime is 12100313221. The reversal of 12100313211 is 11231300121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (12100313201) and next prime (12100313221).
It is not a de Polignac number, because 12100313211 - 29 = 12100312699 is a prime.
It is a super-2 number, since 2×121003132112 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12100313201) 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, 1661701 + ... + 1668966.
It is an arithmetic number, because the mean of its divisors is an integer number (1159072464).
Almost surely, 212100313211 is an apocalyptic number.
12100313211 is a deficient number, since it is larger than the sum of its proper divisors (6444846213).
12100313211 is a wasteful number, since it uses less digits than its factorization.
12100313211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3330850.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 12100313211 its reverse (11231300121), we get a palindrome (23331613332).
The spelling of 12100313211 in words is "twelve billion, one hundred million, three hundred thirteen thousand, two hundred eleven".
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