Base | Representation |
---|---|
bin | 100001010101000000… |
… | …1100000111011010101 |
3 | 20211201222100100010012 |
4 | 1002222001200323111 |
5 | 2133034413003334 |
6 | 52514004210005 |
7 | 5112422652254 |
oct | 1025201407325 |
9 | 224658310105 |
10 | 71572000469 |
11 | 2839858a312 |
12 | 11a55399905 |
13 | 6998028b48 |
14 | 366d6dc79b |
15 | 1cdd62d9ce |
hex | 10aa060ed5 |
71572000469 has 2 divisors, whose sum is σ = 71572000470. Its totient is φ = 71572000468.
The previous prime is 71572000453. The next prime is 71572000481. The reversal of 71572000469 is 96400027517.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 53864375569 + 17707624900 = 232087^2 + 133070^2 .
It is a cyclic number.
It is not a de Polignac number, because 71572000469 - 24 = 71572000453 is a prime.
It is a super-2 number, since 2×715720004692 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (71572006469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35786000234 + 35786000235.
It is an arithmetic number, because the mean of its divisors is an integer number (35786000235).
Almost surely, 271572000469 is an apocalyptic number.
It is an amenable number.
71572000469 is a deficient number, since it is larger than the sum of its proper divisors (1).
71572000469 is an equidigital number, since it uses as much as digits as its factorization.
71572000469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 105840, while the sum is 41.
The spelling of 71572000469 in words is "seventy-one billion, five hundred seventy-two million, four hundred sixty-nine", and thus it is an aban number.
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