Base | Representation |
---|---|
bin | 1110101100001001101… |
… | …0010100110000100000 |
3 | 220010102002021100102010 |
4 | 3223002122110300200 |
5 | 13113323131040330 |
6 | 311534224152520 |
7 | 24142646524356 |
oct | 3530232246040 |
9 | 803362240363 |
10 | 252369783840 |
11 | 98036188999 |
12 | 40ab2168740 |
13 | 1aa4c028355 |
14 | c3014477d6 |
15 | 6870dc23b0 |
hex | 3ac2694c20 |
252369783840 has 96 divisors (see below), whose sum is σ = 796418965440. Its totient is φ = 67175506944.
The previous prime is 252369783833. The next prime is 252369783899. The reversal of 252369783840 is 48387963252.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218035 + ... + 743154.
It is an arithmetic number, because the mean of its divisors is an integer number (8296030890).
Almost surely, 2252369783840 is an apocalyptic number.
252369783840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252369783840 is an abundant number, since it is smaller than the sum of its proper divisors (544049181600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252369783840 is a wasteful number, since it uses less digits than its factorization.
252369783840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 961754 (or 961746 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 57.
The spelling of 252369783840 in words is "two hundred fifty-two billion, three hundred sixty-nine million, seven hundred eighty-three thousand, eight hundred forty".
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