Base | Representation |
---|---|
bin | 1110010010110010101111… |
… | …10101001001001001001001 |
3 | 11010021212121012112122101000 |
4 | 13021121113311021021021 |
5 | 13104440311310033001 |
6 | 150503403132445213 |
7 | 6422614233415134 |
oct | 711312765111111 |
9 | 133255535478330 |
10 | 31432044221001 |
11 | a019289592916 |
12 | 36378a8019809 |
13 | 147004ba99428 |
14 | 7a94676cb21b |
15 | 39794625ca86 |
hex | 1c9657d49249 |
31432044221001 has 8 divisors (see below), whose sum is σ = 46565991438560. Its totient is φ = 20954696147316.
The previous prime is 31432044220979. The next prime is 31432044221021. The reversal of 31432044221001 is 10012244023413.
31432044221001 is a `hidden beast` number, since 3 + 1 + 4 + 3 + 2 + 0 + 442 + 210 + 0 + 1 = 666.
It is not a de Polignac number, because 31432044221001 - 26 = 31432044220937 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1164149785963 = 31432044221001 / (3 + 1 + 4 + 3 + 2 + 0 + 4 + 4 + 2 + 2 + 1 + 0 + 0 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31432044221021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582074892955 + ... + 582074893008.
It is an arithmetic number, because the mean of its divisors is an integer number (5820748929820).
Almost surely, 231432044221001 is an apocalyptic number.
It is an amenable number.
31432044221001 is a deficient number, since it is larger than the sum of its proper divisors (15133947217559).
31432044221001 is a wasteful number, since it uses less digits than its factorization.
31432044221001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1164149785972 (or 1164149785966 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 31432044221001 its reverse (10012244023413), we get a palindrome (41444288244414).
The spelling of 31432044221001 in words is "thirty-one trillion, four hundred thirty-two billion, forty-four million, two hundred twenty-one thousand, one".
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