Base | Representation |
---|---|
bin | 11101010101001000… |
… | …101110011111101101 |
3 | 10000021210212100202000 |
4 | 131111020232133231 |
5 | 1003444214401104 |
6 | 22245010522513 |
7 | 2163300056205 |
oct | 352510563755 |
9 | 100253770660 |
10 | 31493122029 |
11 | 123a1056786 |
12 | 612ab96439 |
13 | 2c7b819865 |
14 | 174a87b405 |
15 | c44c65639 |
hex | 75522e7ed |
31493122029 has 32 divisors (see below), whose sum is σ = 48089422080. Its totient is φ = 20360289600.
The previous prime is 31493122021. The next prime is 31493122033. The reversal of 31493122029 is 92022139413.
31493122029 is a `hidden beast` number, since 314 + 9 + 312 + 2 + 0 + 29 = 666.
It is not a de Polignac number, because 31493122029 - 23 = 31493122021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31493121984 and 31493122002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31493122021) 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, 17722 + ... + 251595.
It is an arithmetic number, because the mean of its divisors is an integer number (1502794440).
Almost surely, 231493122029 is an apocalyptic number.
It is an amenable number.
31493122029 is a deficient number, since it is larger than the sum of its proper divisors (16596300051).
31493122029 is a wasteful number, since it uses less digits than its factorization.
31493122029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269458 (or 269452 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The spelling of 31493122029 in words is "thirty-one billion, four hundred ninety-three million, one hundred twenty-two thousand, twenty-nine".
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