Base | Representation |
---|---|
bin | 1111110010001000001… |
… | …11011001100010110101 |
3 | 1220211210102102211002021 |
4 | 13321010013121202311 |
5 | 32341122004411441 |
6 | 1053044432513141 |
7 | 54115625430355 |
oct | 7710407314265 |
9 | 1824712384067 |
10 | 542308669621 |
11 | 199aa0119164 |
12 | 8912a0ab7b1 |
13 | 3c1a75bc624 |
14 | 1c368278b65 |
15 | e1901503d1 |
hex | 7e441d98b5 |
542308669621 has 8 divisors (see below), whose sum is σ = 571373532320. Its totient is φ = 513296037072.
The previous prime is 542308669589. The next prime is 542308669663. The reversal of 542308669621 is 126966803245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 542308669621 - 25 = 542308669589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542308669681) 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, 13036215 + ... + 13077748.
It is an arithmetic number, because the mean of its divisors is an integer number (71421691540).
Almost surely, 2542308669621 is an apocalyptic number.
It is an amenable number.
542308669621 is a deficient number, since it is larger than the sum of its proper divisors (29064862699).
542308669621 is a wasteful number, since it uses less digits than its factorization.
542308669621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26115075.
The product of its (nonzero) digits is 3732480, while the sum is 52.
The spelling of 542308669621 in words is "five hundred forty-two billion, three hundred eight million, six hundred sixty-nine thousand, six hundred twenty-one".
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