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542308669621 = 19109326113963
BaseRepresentation
bin1111110010001000001…
…11011001100010110101
31220211210102102211002021
413321010013121202311
532341122004411441
61053044432513141
754115625430355
oct7710407314265
91824712384067
10542308669621
11199aa0119164
128912a0ab7b1
133c1a75bc624
141c368278b65
15e1901503d1
hex7e441d98b5

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".

Divisors: 1 19 1093 20767 26113963 496165297 28542561559 542308669621