Base | Representation |
---|---|
bin | 10100111000110100… |
… | …00100001001100111 |
3 | 1001221112010212220222 |
4 | 22130122010021213 |
5 | 140431241404111 |
6 | 5052431114555 |
7 | 544615352354 |
oct | 123432041147 |
9 | 31845125828 |
10 | 11214013031 |
11 | 4835021a71 |
12 | 220b672a5b |
13 | 1099379c90 |
14 | 78549d62b |
15 | 4597657db |
hex | 29c684267 |
11214013031 has 4 divisors (see below), whose sum is σ = 12076629432. Its totient is φ = 10351396632.
The previous prime is 11214013001. The next prime is 11214013061. The reversal of 11214013031 is 13031041211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13031041211 = 37 ⋅352190303.
It is an interprime number because it is at equal distance from previous prime (11214013001) and next prime (11214013061).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11214013031 is a prime.
It is a super-2 number, since 2×112140130312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11214013001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431308181 + ... + 431308206.
It is an arithmetic number, because the mean of its divisors is an integer number (3019157358).
Almost surely, 211214013031 is an apocalyptic number.
11214013031 is a deficient number, since it is larger than the sum of its proper divisors (862616401).
11214013031 is an equidigital number, since it uses as much as digits as its factorization.
11214013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 862616400.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 11214013031 its reverse (13031041211), we get a palindrome (24245054242).
The spelling of 11214013031 in words is "eleven billion, two hundred fourteen million, thirteen thousand, thirty-one".
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