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537972873949 = 71492412140223
BaseRepresentation
bin1111101010000011010…
…11101001101011011101
31220102121020212120120101
413311001223221223131
532303232023431244
61051050305421101
753603316656560
oct7650153515335
91812536776511
10537972873949
11198175731755
128831a03a791
133b966249164
141c0764b44d7
15ded969a0d4
hex7d41ae9add

537972873949 has 16 divisors (see below), whose sum is σ = 621521049600. Its totient is φ = 456124112640.

The previous prime is 537972873929. The next prime is 537972873959. The reversal of 537972873949 is 949378279735.

It is not a de Polignac number, because 537972873949 - 29 = 537972873437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537972873929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818749 + ... + 1321474.

It is an arithmetic number, because the mean of its divisors is an integer number (38845065600).

Almost surely, 2537972873949 is an apocalyptic number.

It is an amenable number.

537972873949 is a deficient number, since it is larger than the sum of its proper divisors (83548175651).

537972873949 is a wasteful number, since it uses less digits than its factorization.

537972873949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140620.

The product of its digits is 720135360, while the sum is 73.

The spelling of 537972873949 in words is "five hundred thirty-seven billion, nine hundred seventy-two million, eight hundred seventy-three thousand, nine hundred forty-nine".

Divisors: 1 7 149 241 1043 1687 35909 251363 2140223 14981561 318893227 515793743 2232252589 3610556201 76853267707 537972873949