Base | Representation |
---|---|
bin | 1110101000101010… |
… | …11010110101110010 |
3 | 202021120222211200220 |
4 | 13110111122311302 |
5 | 112042440231200 |
6 | 3335402153510 |
7 | 365466250632 |
oct | 72425326562 |
9 | 22246884626 |
10 | 7857352050 |
11 | 33722a7989 |
12 | 16334b2896 |
13 | 982b19752 |
14 | 5477746c2 |
15 | 30ec1e4a0 |
hex | 1d455ad72 |
7857352050 has 96 divisors (see below), whose sum is σ = 19894083840. Its totient is φ = 2051750400.
The previous prime is 7857352033. The next prime is 7857352099. The reversal of 7857352050 is 502537587.
It is a junction number, because it is equal to n+sod(n) for n = 7857351993 and 7857352011.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2185054 + ... + 2188646.
It is an arithmetic number, because the mean of its divisors is an integer number (207230040).
Almost surely, 27857352050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7857352050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9947041920).
7857352050 is an abundant number, since it is smaller than the sum of its proper divisors (12036731790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7857352050 is a wasteful number, since it uses less digits than its factorization.
7857352050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3908 (or 3903 counting only the distinct ones).
The product of its (nonzero) digits is 294000, while the sum is 42.
The square root of 7857352050 is about 88641.7060417950. The cubic root of 7857352050 is about 1988.0413081965.
The spelling of 7857352050 in words is "seven billion, eight hundred fifty-seven million, three hundred fifty-two thousand, fifty".
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