Base | Representation |
---|---|
bin | 110001010111010110… |
… | …010100001101001000 |
3 | 12001211000101210221000 |
4 | 301113112110031020 |
5 | 1332023244402042 |
6 | 40203350415000 |
7 | 3554341464102 |
oct | 612726241510 |
9 | 161730353830 |
10 | 53005075272 |
11 | 2052aa8a636 |
12 | a333361460 |
13 | 4cc9510386 |
14 | 27cb898572 |
15 | 15a35dc74c |
hex | c57594348 |
53005075272 has 32 divisors (see below), whose sum is σ = 147236320800. Its totient is φ = 17668358352.
The previous prime is 53005075271. The next prime is 53005075307. The reversal of 53005075272 is 27257050035.
It is a happy number.
53005075272 is a `hidden beast` number, since 5 + 30 + 0 + 507 + 52 + 72 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (53005075271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122696718 + ... + 122697149.
It is an arithmetic number, because the mean of its divisors is an integer number (4601135025).
Almost surely, 253005075272 is an apocalyptic number.
It is an amenable number.
53005075272 is an abundant number, since it is smaller than the sum of its proper divisors (94231245528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53005075272 is a wasteful number, since it uses less digits than its factorization.
53005075272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245393882 (or 245393872 counting only the distinct ones).
The product of its (nonzero) digits is 73500, while the sum is 36.
The spelling of 53005075272 in words is "fifty-three billion, five million, seventy-five thousand, two hundred seventy-two".
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