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540042563131 = 2861188760071
BaseRepresentation
bin1111101101111010000…
…10111000111000111011
31220121221111100200101021
413312331002320320323
532322001344010011
61052031522203311
754005521022041
oct7667502707073
91817844320337
10540042563131
11199037a47885
12887b71b3537
133bc05c83706
141c1d1310391
15e0ab226471
hex7dbd0b8e3b

540042563131 has 4 divisors (see below), whose sum is σ = 540231326064. Its totient is φ = 539853800200.

The previous prime is 540042563107. The next prime is 540042563161. The reversal of 540042563131 is 131365240045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540042563131 - 225 = 540009008699 is a prime.

It is a super-2 number, since 2×5400425631312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540042563161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94377175 + ... + 94382896.

It is an arithmetic number, because the mean of its divisors is an integer number (135057831516).

Almost surely, 2540042563131 is an apocalyptic number.

540042563131 is a deficient number, since it is larger than the sum of its proper divisors (188762933).

540042563131 is a wasteful number, since it uses less digits than its factorization.

540042563131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188762932.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 540042563131 in words is "five hundred forty billion, forty-two million, five hundred sixty-three thousand, one hundred thirty-one".

Divisors: 1 2861 188760071 540042563131