Base | Representation |
---|---|
bin | 101000000001001… |
… | …0001010011001111 |
3 | 10110120122220111021 |
4 | 1100002101103033 |
5 | 10222222204211 |
6 | 341124135011 |
7 | 45163243300 |
oct | 12002212317 |
9 | 3416586437 |
10 | 1342772431 |
11 | 629a61890 |
12 | 315837467 |
13 | 185262700 |
14 | ca4967a7 |
15 | 7cd3d771 |
hex | 500914cf |
1342772431 has 36 divisors (see below), whose sum is σ = 1845285624. Its totient is φ = 965764800.
The previous prime is 1342772383. The next prime is 1342772447.
1342772431 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 1342772431 - 225 = 1309217999 is a prime.
It is a super-2 number, since 2×13427724312 = 3606075602907299522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1342772461) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83721 + ... + 98461.
It is an arithmetic number, because the mean of its divisors is an integer number (51257934).
Almost surely, 21342772431 is an apocalyptic number.
1342772431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1342772431 is a deficient number, since it is larger than the sum of its proper divisors (502513193).
1342772431 is a wasteful number, since it uses less digits than its factorization.
1342772431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14792 (or 14772 counting only the distinct ones).
The product of its digits is 28224, while the sum is 34.
The square root of 1342772431 is about 36643.8593900806. The cubic root of 1342772431 is about 1103.2335791397.
It can be divided in two parts, 13427 and 72431, that added together give a palindrome (85858).
The spelling of 1342772431 in words is "one billion, three hundred forty-two million, seven hundred seventy-two thousand, four hundred thirty-one".
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