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542302815871831 = 7401649129763763
BaseRepresentation
bin111101101001110001011011…
…0101100110110001101010111
32122010010122100122211122102111
41323103202312230312031113
51032040042131330344311
65201214250242051451
7222141041216124040
oct17323426654661527
92563118318748374
10542302815871831
11147881372833123
12509a5b03949b87
131a379c22817a61
1497cb84c4bd8c7
1542a681a0c8d21
hex1ed38b6b36357

542302815871831 has 16 divisors (see below), whose sum is σ = 621415960535808. Its totient is φ = 463600356912000.

The previous prime is 542302815871819. The next prime is 542302815871877. The reversal of 542302815871831 is 138178518203245.

It is not a de Polignac number, because 542302815871831 - 241 = 540103792616279 is a prime.

It is a super-2 number, since 2×5423028158718312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542302815871231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3338356 + ... + 33102118.

It is an arithmetic number, because the mean of its divisors is an integer number (38838497533488).

Almost surely, 2542302815871831 is an apocalyptic number.

542302815871831 is a deficient number, since it is larger than the sum of its proper divisors (79113144663977).

542302815871831 is a wasteful number, since it uses less digits than its factorization.

542302815871831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29770662.

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 542302815871831 in words is "five hundred forty-two trillion, three hundred two billion, eight hundred fifteen million, eight hundred seventy-one thousand, eight hundred thirty-one".

Divisors: 1 7 401 2807 6491 45437 2602891 18220237 29763763 208346341 11935268963 83546882741 193196585633 1352376099431 77471830838833 542302815871831