Base | Representation |
---|---|
bin | 11101010010010101… |
… | …000010000000011110 |
3 | 10000011112020010110101 |
4 | 131102111002000132 |
5 | 1003400140003110 |
6 | 22240205131314 |
7 | 2162155504012 |
oct | 352225020036 |
9 | 100145203411 |
10 | 31446016030 |
11 | 12377502300 |
12 | 6117259b3a |
13 | 2c71b357a0 |
14 | 17444d8542 |
15 | c40a5d13a |
hex | 75254201e |
31446016030 has 48 divisors (see below), whose sum is σ = 67002237792. Its totient is φ = 10555300800.
The previous prime is 31446016027. The next prime is 31446016031. The reversal of 31446016030 is 3061064413.
It is a self number, because there is not a number n which added to its sum of digits gives 31446016030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31446016031) 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, 983826 + ... + 1015285.
It is an arithmetic number, because the mean of its divisors is an integer number (1395879954).
Almost surely, 231446016030 is an apocalyptic number.
31446016030 is an abundant number, since it is smaller than the sum of its proper divisors (35556221762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31446016030 is a wasteful number, since it uses less digits than its factorization.
31446016030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1999153 (or 1999142 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 28.
The spelling of 31446016030 in words is "thirty-one billion, four hundred forty-six million, sixteen thousand, thirty".
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