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542527552091 = 7219582736361
BaseRepresentation
bin1111110010100010010…
…10010111101001011011
31220212100200022012101102
413321101022113221123
532342044023131331
61053122252142015
754124224050600
oct7712112275133
91825320265342
10542527552091
1119a0a2728868
128918b46790b
133c210a58495
141c3893746a7
15e1a44894cb
hex7e51297a5b

542527552091 has 12 divisors (see below), whose sum is σ = 664319452680. Its totient is φ = 440548688160.

The previous prime is 542527552057. The next prime is 542527552109. The reversal of 542527552091 is 190255725245.

It is not a de Polignac number, because 542527552091 - 210 = 542527551067 is a prime.

It is a super-2 number, since 2×5425275520912 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542527552001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291367250 + ... + 291369111.

It is an arithmetic number, because the mean of its divisors is an integer number (55359954390).

Almost surely, 2542527552091 is an apocalyptic number.

542527552091 is a deficient number, since it is larger than the sum of its proper divisors (121791900589).

542527552091 is a wasteful number, since it uses less digits than its factorization.

542527552091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582736394 (or 582736387 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 542527552091 in words is "five hundred forty-two billion, five hundred twenty-seven million, five hundred fifty-two thousand, ninety-one".

Divisors: 1 7 19 49 133 931 582736361 4079154527 11071990859 28554081689 77503936013 542527552091