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542684227939 = 71272999203549
BaseRepresentation
bin1111110010110101000…
…00000010100101100011
31220212202121010011020121
413321122200002211203
532342404130243224
61053150010221111
754131135553520
oct7713240024543
91825677104217
10542684227939
1119a17310a737
1289213a24797
133c237353b99
141c3a20ba147
15e1b30d6be4
hex7e5a802963

542684227939 has 16 divisors (see below), whose sum is σ = 625305600000. Its totient is φ = 461339099424.

The previous prime is 542684227937. The next prime is 542684227961. The reversal of 542684227939 is 939722486245.

It is not a de Polignac number, because 542684227939 - 21 = 542684227937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542684227937) 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, 2564337 + ... + 2767885.

It is an arithmetic number, because the mean of its divisors is an integer number (39081600000).

Almost surely, 2542684227939 is an apocalyptic number.

542684227939 is a deficient number, since it is larger than the sum of its proper divisors (82621372061).

542684227939 is a wasteful number, since it uses less digits than its factorization.

542684227939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206682.

The product of its digits is 52254720, while the sum is 61.

The spelling of 542684227939 in words is "five hundred forty-two billion, six hundred eighty-four million, two hundred twenty-seven thousand, nine hundred thirty-nine".

Divisors: 1 7 127 889 2999 20993 203549 380873 1424843 2666111 25850723 180955061 610443451 4273104157 77526318277 542684227939