Base | Representation |
---|---|
bin | 110001100001010101… |
… | …110110010000010000 |
3 | 12002020200212021210000 |
4 | 301201111312100100 |
5 | 1332344204143002 |
6 | 40232140010000 |
7 | 3561445463100 |
oct | 614125662020 |
9 | 162220767700 |
10 | 53172724752 |
11 | 20606687124 |
12 | a37b530900 |
13 | 502517b854 |
14 | 2805c59200 |
15 | 15b31a661c |
hex | c61576410 |
53172724752 has 150 divisors (see below), whose sum is σ = 179023594398. Its totient is φ = 15192188928.
The previous prime is 53172724751. The next prime is 53172724769. The reversal of 53172724752 is 25742727135.
53172724752 is a `hidden beast` number, since 5 + 3 + 172 + 7 + 2 + 475 + 2 = 666.
It can be written as a sum of positive squares in only one way, i.e., 51781733136 + 1390991616 = 227556^2 + 37296^2 .
It is a junction number, because it is equal to n+sod(n) for n = 53172724698 and 53172724707.
It is not an unprimeable number, because it can be changed into a prime (53172724751) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 355153 + ... + 482160.
Almost surely, 253172724752 is an apocalyptic number.
It is an amenable number.
53172724752 is an abundant number, since it is smaller than the sum of its proper divisors (125850869646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53172724752 is a wasteful number, since it uses less digits than its factorization.
53172724752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 837347 (or 837325 counting only the distinct ones).
The product of its digits is 823200, while the sum is 45.
It can be divided in two parts, 53172 and 724752, that added together give a square (777924 = 8822).
The spelling of 53172724752 in words is "fifty-three billion, one hundred seventy-two million, seven hundred twenty-four thousand, seven hundred fifty-two".
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