Base | Representation |
---|---|
bin | 11101100011010000… |
… | …011001101000011010 |
3 | 10000220022121202110100 |
4 | 131203100121220122 |
5 | 1004440340432441 |
6 | 22324312200230 |
7 | 2202204450423 |
oct | 354320315032 |
9 | 100808552410 |
10 | 31730014746 |
11 | 12502847791 |
12 | 6196399076 |
13 | 2cb8920271 |
14 | 177010464a |
15 | c5a95acb6 |
hex | 763419a1a |
31730014746 has 24 divisors (see below), whose sum is σ = 68777235540. Its totient is φ = 10572230016.
The previous prime is 31730014741. The next prime is 31730014747. The reversal of 31730014746 is 64741003713.
It can be written as a sum of positive squares in 2 ways, for example, as 31483179225 + 246835521 = 177435^2 + 15711^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 31730014746.
It is not an unprimeable number, because it can be changed into a prime (31730014741) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325935 + ... + 411938.
Almost surely, 231730014746 is an apocalyptic number.
31730014746 is an abundant number, since it is smaller than the sum of its proper divisors (37047220794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31730014746 is a wasteful number, since it uses less digits than its factorization.
31730014746 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740270 (or 740267 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 36.
The spelling of 31730014746 in words is "thirty-one billion, seven hundred thirty million, fourteen thousand, seven hundred forty-six".
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