Base | Representation |
---|---|
bin | 11101001011000011… |
… | …101011001111101000 |
3 | 2222212000200101100220 |
4 | 131023003223033220 |
5 | 1003122422311312 |
6 | 22220130330040 |
7 | 2156144553321 |
oct | 351303531750 |
9 | 88760611326 |
10 | 31324025832 |
11 | 12314661260 |
12 | 60a2429920 |
13 | 2c52792a38 |
14 | 1732221448 |
15 | c34eb2c8c |
hex | 74b0eb3e8 |
31324025832 has 64 divisors (see below), whose sum is σ = 85649054400. Its totient is φ = 9467696640.
The previous prime is 31324025819. The next prime is 31324025849. The reversal of 31324025832 is 23852042313.
It is a super-3 number, since 3×313240258323 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 31324025793 and 31324025802.
It is an unprimeable number.
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, 49813 + ... + 255204.
It is an arithmetic number, because the mean of its divisors is an integer number (1338266475).
Almost surely, 231324025832 is an apocalyptic number.
It is an amenable number.
31324025832 is an abundant number, since it is smaller than the sum of its proper divisors (54325028568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31324025832 is a wasteful number, since it uses less digits than its factorization.
31324025832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 305426 (or 305422 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 33.
The spelling of 31324025832 in words is "thirty-one billion, three hundred twenty-four million, twenty-five thousand, eight hundred thirty-two".
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