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542545545245 = 51167631458593
BaseRepresentation
bin1111110010100100011…
…11000000100000011101
31220212101221011100100112
413321102033000200131
532342113124421440
61053124133535405
754124533021014
oct7712217004035
91825357140315
10542545545245
1119a1018a8340
12891954a4565
133c2146b8312
141c38b8d9a7b
15e1a5d40965
hex7e523c081d

542545545245 has 16 divisors (see below), whose sum is σ = 710346946752. Its totient is φ = 394519964160.

The previous prime is 542545545239. The next prime is 542545545259.

542545545245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542545545245 - 210 = 542545544221 is a prime.

It is a super-2 number, since 2×5425455452452 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 542545545193 and 542545545202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357332 + ... + 1101261.

It is an arithmetic number, because the mean of its divisors is an integer number (44396684172).

Almost surely, 2542545545245 is an apocalyptic number.

542545545245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542545545245 is a deficient number, since it is larger than the sum of its proper divisors (167801401507).

542545545245 is a wasteful number, since it uses less digits than its factorization.

542545545245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465372.

The product of its digits is 16000000, while the sum is 50.

The spelling of 542545545245 in words is "five hundred forty-two billion, five hundred forty-five million, five hundred forty-five thousand, two hundred forty-five".

Divisors: 1 5 11 55 6763 33815 74393 371965 1458593 7292965 16044523 80222615 9864464459 49322322295 108509109049 542545545245