Base | Representation |
---|---|
bin | 1110101101010101100… |
… | …0101101000000000000 |
3 | 220011020021021210200201 |
4 | 3223111120231000000 |
5 | 13120001130012302 |
6 | 312025555254544 |
7 | 24153563426443 |
oct | 3532530550000 |
9 | 804207253621 |
10 | 252688125952 |
11 | 98189950049 |
12 | 40b808aa454 |
13 | 1aa9cc78a72 |
14 | c33183365a |
15 | 688dd05c87 |
hex | 3ad562d000 |
252688125952 has 52 divisors (see below), whose sum is σ = 509173004736. Its totient is φ = 125379338240.
The previous prime is 252688125929. The next prime is 252688125961. The reversal of 252688125952 is 259521886252.
It is a junction number, because it is equal to n+sod(n) for n = 252688125893 and 252688125902.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301113 + ... + 772039.
Almost surely, 2252688125952 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 252688125952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254586502368).
252688125952 is an abundant number, since it is smaller than the sum of its proper divisors (256484878784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252688125952 is an equidigital number, since it uses as much as digits as its factorization.
252688125952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471082 (or 471060 counting only the distinct ones).
The product of its digits is 6912000, while the sum is 55.
The spelling of 252688125952 in words is "two hundred fifty-two billion, six hundred eighty-eight million, one hundred twenty-five thousand, nine hundred fifty-two".
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