Base | Representation |
---|---|
bin | 10111110100100110111100… |
… | …01000000000000000000000 |
3 | 20212110222020000111121000000 |
4 | 23322103132020000000000 |
5 | 23331234240312443440 |
6 | 303225223224000000 |
7 | 14014462540146420 |
oct | 1372233610000000 |
9 | 225428200447000 |
10 | 52385147781120 |
11 | 15767464276410 |
12 | 5a60714000000 |
13 | 232cb8a57c58b |
14 | cd1651904480 |
15 | 60c9d06b3730 |
hex | 2fa4de200000 |
52385147781120 has 2464 divisors, whose sum is σ = 237653905599360. Its totient is φ = 10762919608320.
The previous prime is 52385147781107. The next prime is 52385147781251. The reversal of 52385147781120 is 2118774158325.
52385147781120 is a `hidden beast` number, since 5 + 2 + 3 + 8 + 51 + 477 + 8 + 112 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (2464).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 588597166036 + ... + 588597166124.
Almost surely, 252385147781120 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 52385147781120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118826952799680).
52385147781120 is an abundant number, since it is smaller than the sum of its proper divisors (185268757818240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52385147781120 is an frugal number, since it uses more digits than its factorization.
52385147781120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172 (or 117 counting only the distinct ones).
The product of its (nonzero) digits is 3763200, while the sum is 54.
The spelling of 52385147781120 in words is "fifty-two trillion, three hundred eighty-five billion, one hundred forty-seven million, seven hundred eighty-one thousand, one hundred twenty".
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