Base | Representation |
---|---|
bin | 110001010101111101… |
… | …010101001011101001 |
3 | 12001202101111200112220 |
4 | 301111331111023221 |
5 | 1332001311422312 |
6 | 40201154424253 |
7 | 3553636300641 |
oct | 612575251351 |
9 | 161671450486 |
10 | 52981748457 |
11 | 205188a7880 |
12 | a327592089 |
13 | 4cc4733921 |
14 | 27c8745521 |
15 | 15a1530c8c |
hex | c55f552e9 |
52981748457 has 16 divisors (see below), whose sum is σ = 77068588800. Its totient is φ = 32108389200.
The previous prime is 52981748419. The next prime is 52981748459. The reversal of 52981748457 is 75484718925.
It is not a de Polignac number, because 52981748457 - 211 = 52981746409 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 52981748457.
It is not an unprimeable number, because it can be changed into a prime (52981748459) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819294 + ... + 881592.
It is an arithmetic number, because the mean of its divisors is an integer number (4816786800).
Almost surely, 252981748457 is an apocalyptic number.
It is an amenable number.
52981748457 is a deficient number, since it is larger than the sum of its proper divisors (24086840343).
52981748457 is a wasteful number, since it uses less digits than its factorization.
52981748457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88084.
The product of its digits is 22579200, while the sum is 60.
The spelling of 52981748457 in words is "fifty-two billion, nine hundred eighty-one million, seven hundred forty-eight thousand, four hundred fifty-seven".
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