Base | Representation |
---|---|
bin | 10111011001010010… |
… | …011011101101100100 |
3 | 2101211200022200221010 |
4 | 113121102123231210 |
5 | 402421300340302 |
6 | 15312355422220 |
7 | 1546335143346 |
oct | 273122335544 |
9 | 71750280833 |
10 | 25120324452 |
11 | a72084a623 |
12 | 4a508b4970 |
13 | 24a4445012 |
14 | 1304349296 |
15 | 9c053e16c |
hex | 5d949bb64 |
25120324452 has 12 divisors (see below), whose sum is σ = 58614090416. Its totient is φ = 8373441480.
The previous prime is 25120324451. The next prime is 25120324543. The reversal of 25120324452 is 25442302152.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (25120324451) 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 3 ways as a sum of consecutive naturals, for example, 1046680174 + ... + 1046680197.
Almost surely, 225120324452 is an apocalyptic number.
It is an amenable number.
25120324452 is an abundant number, since it is smaller than the sum of its proper divisors (33493765964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25120324452 is a wasteful number, since it uses less digits than its factorization.
25120324452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2093360378 (or 2093360376 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 30.
The spelling of 25120324452 in words is "twenty-five billion, one hundred twenty million, three hundred twenty-four thousand, four hundred fifty-two".
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