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542796849690 = 23523786662101
BaseRepresentation
bin1111110011000010011…
…01101010001000011010
31220220001110000221020120
413321201031222020122
532343121443142230
61053205112134110
754134004045024
oct7714115521032
91826043027216
10542796849690
1119a220742067
1289245697336
133c254796684
141c3b3035014
15e1bce31310
hex7e6136a21a

542796849690 has 32 divisors (see below), whose sum is σ = 1359352112256. Its totient is φ = 138452529600.

The previous prime is 542796849689. The next prime is 542796849709. The reversal of 542796849690 is 96948697245.

It is a super-2 number, since 2×5427968496902 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393330361 + ... + 393331740.

It is an arithmetic number, because the mean of its divisors is an integer number (42479753508).

Almost surely, 2542796849690 is an apocalyptic number.

542796849690 is an abundant number, since it is smaller than the sum of its proper divisors (816555262566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542796849690 is a wasteful number, since it uses less digits than its factorization.

542796849690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786662134.

The product of its (nonzero) digits is 235146240, while the sum is 69.

The spelling of 542796849690 in words is "five hundred forty-two billion, seven hundred ninety-six million, eight hundred forty-nine thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 786662101 1573324202 2359986303 3933310505 4719972606 7866621010 11799931515 18093228323 23599863030 36186456646 54279684969 90466141615 108559369938 180932283230 271398424845 542796849690