Base | Representation |
---|---|
bin | 11000101001010011… |
… | …11111010011111010 |
3 | 1021011010022110212220 |
4 | 30110221333103322 |
5 | 204044223002214 |
6 | 10024535544510 |
7 | 645613332663 |
oct | 142451772372 |
9 | 37133273786 |
10 | 13231453434 |
11 | 567a8a0891 |
12 | 269322b136 |
13 | 132b31c6b4 |
14 | 8d73b836a |
15 | 5269209a9 |
hex | 314a7f4fa |
13231453434 has 32 divisors (see below), whose sum is σ = 27881210880. Its totient is φ = 4174525872.
The previous prime is 13231453427. The next prime is 13231453441. The reversal of 13231453434 is 43435413231.
It is an interprime number because it is at equal distance from previous prime (13231453427) and next prime (13231453441).
It is a super-2 number, since 2×132314534342 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13231453395 and 13231453404.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73129 + ... + 178355.
It is an arithmetic number, because the mean of its divisors is an integer number (871287840).
Almost surely, 213231453434 is an apocalyptic number.
13231453434 is an abundant number, since it is smaller than the sum of its proper divisors (14649757446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13231453434 is a wasteful number, since it uses less digits than its factorization.
13231453434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106354.
The product of its digits is 51840, while the sum is 33.
Adding to 13231453434 its reverse (43435413231), we get a palindrome (56666866665).
The spelling of 13231453434 in words is "thirteen billion, two hundred thirty-one million, four hundred fifty-three thousand, four hundred thirty-four".
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