Base | Representation |
---|---|
bin | 11101001100011111… |
… | …111001101000110100 |
3 | 2222220201011122212212 |
4 | 131030133321220310 |
5 | 1003200114431121 |
6 | 22222352432552 |
7 | 2156560215014 |
oct | 351437715064 |
9 | 88821148785 |
10 | 31348202036 |
11 | 12327274198 |
12 | 60aa548758 |
13 | 2c577a8c98 |
14 | 1735515c44 |
15 | c3718b25b |
hex | 74c7f9a34 |
31348202036 has 24 divisors (see below), whose sum is σ = 57469440000. Its totient is φ = 14942045664.
The previous prime is 31348202033. The next prime is 31348202063. The reversal of 31348202036 is 63020284313.
It is a junction number, because it is equal to n+sod(n) for n = 31348201993 and 31348202011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31348202033) 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, 1701236 + ... + 1719563.
It is an arithmetic number, because the mean of its divisors is an integer number (2394560000).
Almost surely, 231348202036 is an apocalyptic number.
It is an amenable number.
31348202036 is a deficient number, since it is larger than the sum of its proper divisors (26121237964).
31348202036 is a wasteful number, since it uses less digits than its factorization.
31348202036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3420911 (or 3420909 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 32.
Adding to 31348202036 its reverse (63020284313), we get a palindrome (94368486349).
The spelling of 31348202036 in words is "thirty-one billion, three hundred forty-eight million, two hundred two thousand, thirty-six".
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