Base | Representation |
---|---|
bin | 11101010010110100… |
… | …101000100110000000 |
3 | 10000012002211000200020 |
4 | 131102310220212000 |
5 | 1003404300104134 |
6 | 22241102453440 |
7 | 2162316100062 |
oct | 352264504600 |
9 | 100162730606 |
10 | 31454300544 |
11 | 12381150607 |
12 | 6119b94280 |
13 | 2c73776574 |
14 | 1745653732 |
15 | c41647b49 |
hex | 752d28980 |
31454300544 has 32 divisors (see below), whose sum is σ = 83550486840. Its totient is φ = 10484766720.
The previous prime is 31454300503. The next prime is 31454300569. The reversal of 31454300544 is 44500345413.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40955737 + ... + 40956504.
Almost surely, 231454300544 is an apocalyptic number.
It is an amenable number.
31454300544 is an abundant number, since it is smaller than the sum of its proper divisors (52096186296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31454300544 is an equidigital number, since it uses as much as digits as its factorization.
31454300544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81912258 (or 81912246 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 33.
Adding to 31454300544 its reverse (44500345413), we get a palindrome (75954645957).
The spelling of 31454300544 in words is "thirty-one billion, four hundred fifty-four million, three hundred thousand, five hundred forty-four".
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