Base | Representation |
---|---|
bin | 11101100011111110… |
… | …111110100101001001 |
3 | 10000221011121002101100 |
4 | 131203332332211021 |
5 | 1010002002142323 |
6 | 22325430012013 |
7 | 2202413313123 |
oct | 354376764511 |
9 | 100834532340 |
10 | 31742224713 |
11 | 12509727271 |
12 | 619a4a7009 |
13 | 2cbb3069b4 |
14 | 17719a2213 |
15 | c5ba6d943 |
hex | 763fbe949 |
31742224713 has 24 divisors (see below), whose sum is σ = 48722256648. Its totient is φ = 19844762112.
The previous prime is 31742224711. The next prime is 31742224741.
31742224713 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 12098240064 + 19643984649 = 109992^2 + 140157^2 .
It is not a de Polignac number, because 31742224713 - 21 = 31742224711 is a prime.
It is a super-3 number, since 3×317422247133 (a number of 32 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (31742224711) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332106 + ... + 416867.
It is an arithmetic number, because the mean of its divisors is an integer number (2030094027).
Almost surely, 231742224713 is an apocalyptic number.
It is an amenable number.
31742224713 is a deficient number, since it is larger than the sum of its proper divisors (16980031935).
31742224713 is a wasteful number, since it uses less digits than its factorization.
31742224713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749273 (or 749270 counting only the distinct ones).
The product of its digits is 56448, while the sum is 36.
The spelling of 31742224713 in words is "thirty-one billion, seven hundred forty-two million, two hundred twenty-four thousand, seven hundred thirteen".
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