Base | Representation |
---|---|
bin | 11101010000111001… |
… | …011111101010010001 |
3 | 10000002212002000102110 |
4 | 131100321133222101 |
5 | 1003323014121431 |
6 | 22233550535533 |
7 | 2161444523313 |
oct | 352071375221 |
9 | 100085060373 |
10 | 31422020241 |
11 | 12364a02977 |
12 | 610b2075a9 |
13 | 2c69b836b1 |
14 | 174124d7b3 |
15 | c3d8bd346 |
hex | 750e5fa91 |
31422020241 has 16 divisors (see below), whose sum is σ = 44555739200. Its totient is φ = 19640890368.
The previous prime is 31422020207. The next prime is 31422020243. The reversal of 31422020241 is 14202022413.
It is not a de Polignac number, because 31422020241 - 211 = 31422018193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31422020243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2836036 + ... + 2847093.
It is an arithmetic number, because the mean of its divisors is an integer number (2784733700).
Almost surely, 231422020241 is an apocalyptic number.
It is an amenable number.
31422020241 is a deficient number, since it is larger than the sum of its proper divisors (13133718959).
31422020241 is a wasteful number, since it uses less digits than its factorization.
31422020241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5683248.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 31422020241 its reverse (14202022413), we get a palindrome (45624042654).
The spelling of 31422020241 in words is "thirty-one billion, four hundred twenty-two million, twenty thousand, two hundred forty-one".
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