Base | Representation |
---|---|
bin | 11101010001000010… |
… | …001101010100101101 |
3 | 10000010000101001202000 |
4 | 131101002031110231 |
5 | 1003324110220204 |
6 | 22234111522513 |
7 | 2161503115620 |
oct | 352102152455 |
9 | 100100331660 |
10 | 31424304429 |
11 | 12366223031 |
12 | 610bb29439 |
13 | 2c6a4a329b |
14 | 1741685db7 |
15 | c3dbc0039 |
hex | 75108d52d |
31424304429 has 16 divisors (see below), whose sum is σ = 53205171840. Its totient is φ = 17956745280.
The previous prime is 31424304419. The next prime is 31424304433. The reversal of 31424304429 is 92440342413.
It is not a de Polignac number, because 31424304429 - 28 = 31424304173 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31424304393 and 31424304402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31424304419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83132892 + ... + 83133269.
It is an arithmetic number, because the mean of its divisors is an integer number (3325323240).
Almost surely, 231424304429 is an apocalyptic number.
It is an amenable number.
31424304429 is a deficient number, since it is larger than the sum of its proper divisors (21780867411).
31424304429 is a wasteful number, since it uses less digits than its factorization.
31424304429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166266177 (or 166266171 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 36.
The spelling of 31424304429 in words is "thirty-one billion, four hundred twenty-four million, three hundred four thousand, four hundred twenty-nine".
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