Base | Representation |
---|---|
bin | 11100111000011110… |
… | …100010011100001000 |
3 | 2222001022010002200011 |
4 | 130320132202130020 |
5 | 1002003122104202 |
6 | 22125153121304 |
7 | 2145341130262 |
oct | 347036423410 |
9 | 88038102604 |
10 | 31012300552 |
11 | 121746a9462 |
12 | 6015b59234 |
13 | 2c0301accc |
14 | 1702a78b32 |
15 | c17939bd7 |
hex | 7387a2708 |
31012300552 has 32 divisors (see below), whose sum is σ = 60034625280. Its totient is φ = 15003247680.
The previous prime is 31012300549. The next prime is 31012300559. The reversal of 31012300552 is 25500321013.
It is not an unprimeable number, because it can be changed into a prime (31012300559) 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, 2444658 + ... + 2457310.
It is an arithmetic number, because the mean of its divisors is an integer number (1876082040).
Almost surely, 231012300552 is an apocalyptic number.
It is an amenable number.
31012300552 is a deficient number, since it is larger than the sum of its proper divisors (29022324728).
31012300552 is a wasteful number, since it uses less digits than its factorization.
31012300552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22573 (or 22569 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 22.
Adding to 31012300552 its reverse (25500321013), we get a palindrome (56512621565).
The spelling of 31012300552 in words is "thirty-one billion, twelve million, three hundred thousand, five hundred fifty-two".
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