Base | Representation |
---|---|
bin | 11101010001100000… |
… | …000110101000100000 |
3 | 10000010120010012222010 |
4 | 131101200012220200 |
5 | 1003333112010334 |
6 | 22234551512520 |
7 | 2161626536022 |
oct | 352140065040 |
9 | 100116105863 |
10 | 31432141344 |
11 | 1236a69601a |
12 | 6112688740 |
13 | 2c6bcb8406 |
14 | 1742726012 |
15 | c3e71c0e9 |
hex | 751806a20 |
31432141344 has 24 divisors (see below), whose sum is σ = 82509371280. Its totient is φ = 10477380416.
The previous prime is 31432141331. The next prime is 31432141361. The reversal of 31432141344 is 44314123413.
It is a tau number, because it is divible by the number of its divisors (24).
It is a nude number because it is divisible by every one of its digits.
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, 163708974 + ... + 163709165.
It is an arithmetic number, because the mean of its divisors is an integer number (3437890470).
Almost surely, 231432141344 is an apocalyptic number.
It is an amenable number.
31432141344 is an abundant number, since it is smaller than the sum of its proper divisors (51077229936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31432141344 is a wasteful number, since it uses less digits than its factorization.
31432141344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327418152 (or 327418144 counting only the distinct ones).
The product of its digits is 13824, while the sum is 30.
Adding to 31432141344 its reverse (44314123413), we get a palindrome (75746264757).
The spelling of 31432141344 in words is "thirty-one billion, four hundred thirty-two million, one hundred forty-one thousand, three hundred forty-four".
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