Base | Representation |
---|---|
bin | 11001000010011100… |
… | …00001000100101111 |
3 | 1021200210220202100010 |
4 | 30201032001010233 |
5 | 210012202140211 |
6 | 10101505304303 |
7 | 654053010456 |
oct | 144116010457 |
9 | 37623822303 |
10 | 13442224431 |
11 | 5778870199 |
12 | 2731935093 |
13 | 1362ba846c |
14 | 9173a1b9d |
15 | 53a1a64a6 |
hex | 32138112f |
13442224431 has 32 divisors (see below), whose sum is σ = 18623590848. Its totient is φ = 8617190400.
The previous prime is 13442224403. The next prime is 13442224487.
13442224431 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 13442224431 - 211 = 13442222383 is a prime.
It is a super-2 number, since 2×134422244312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13442924431) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12253075 + ... + 12254171.
It is an arithmetic number, because the mean of its divisors is an integer number (581987214).
Almost surely, 213442224431 is an apocalyptic number.
13442224431 is a deficient number, since it is larger than the sum of its proper divisors (5181366417).
13442224431 is a wasteful number, since it uses less digits than its factorization.
13442224431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2331.
The product of its digits is 18432, while the sum is 30.
The spelling of 13442224431 in words is "thirteen billion, four hundred forty-two million, two hundred twenty-four thousand, four hundred thirty-one".
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