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537249838049 = 868376186877
BaseRepresentation
bin1111101000101101001…
…01011111001111100001
31220100201212100112202222
413310112211133033201
532300241424304144
61050450440320425
753546360163311
oct7642645371741
91810655315688
10537249838049
11197934589121
1288157a73115
133b87c502872
141c008461441
15de95e772ee
hex7d1695f3e1

537249838049 has 4 divisors (see below), whose sum is σ = 537256111764. Its totient is φ = 537243564336.

The previous prime is 537249838031. The next prime is 537249838061. The reversal of 537249838049 is 940838942735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 428837690449 + 108412147600 = 654857^2 + 329260^2 .

It is a cyclic number.

It is not a de Polignac number, because 537249838049 - 232 = 532954870753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 537249837982 and 537249838000.

It is not an unprimeable number, because it can be changed into a prime (537249808049) 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 3 ways as a sum of consecutive naturals, for example, 3006602 + ... + 3180275.

It is an arithmetic number, because the mean of its divisors is an integer number (134314027941).

Almost surely, 2537249838049 is an apocalyptic number.

It is an amenable number.

537249838049 is a deficient number, since it is larger than the sum of its proper divisors (6273715).

537249838049 is an equidigital number, since it uses as much as digits as its factorization.

537249838049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273714.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 537249838049 in words is "five hundred thirty-seven billion, two hundred forty-nine million, eight hundred thirty-eight thousand, forty-nine".

Divisors: 1 86837 6186877 537249838049