Base | Representation |
---|---|
bin | 11101011111101001… |
… | …000000001011101100 |
3 | 10000202002110221021010 |
4 | 131133221000023230 |
5 | 1004324323331434 |
6 | 22314304105220 |
7 | 2200540035522 |
oct | 353751001354 |
9 | 100662427233 |
10 | 31669355244 |
11 | 1248158636a |
12 | 617a005210 |
13 | 2ca91a2077 |
14 | 1766034312 |
15 | c554779e9 |
hex | 75fa402ec |
31669355244 has 24 divisors (see below), whose sum is σ = 73959395328. Its totient is φ = 10547275600.
The previous prime is 31669355231. The next prime is 31669355309. The reversal of 31669355244 is 44255396613.
It is a junction number, because it is equal to n+sod(n) for n = 31669355193 and 31669355202.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132632 + ... + 1160255.
It is an arithmetic number, because the mean of its divisors is an integer number (3081641472).
Almost surely, 231669355244 is an apocalyptic number.
It is an amenable number.
31669355244 is an abundant number, since it is smaller than the sum of its proper divisors (42290040084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31669355244 is a wasteful number, since it uses less digits than its factorization.
31669355244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2294045 (or 2294043 counting only the distinct ones).
The product of its digits is 2332800, while the sum is 48.
The spelling of 31669355244 in words is "thirty-one billion, six hundred sixty-nine million, three hundred fifty-five thousand, two hundred forty-four".
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