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185827075049 = 71119127017823
BaseRepresentation
bin1010110100010000101…
…0000010001111101001
3122202122121102111111002
42231010022002033221
511021033212400144
6221211235044345
716265653035050
oct2550412021751
9582577374432
10185827075049
11718995a2990
12300211406b5
13146a5c45855
148dcba73397
154c7908414e
hex2b442823e9

185827075049 has 16 divisors (see below), whose sum is σ = 243874222080. Its totient is φ = 137179247760.

The previous prime is 185827075033. The next prime is 185827075069. The reversal of 185827075049 is 940570728581.

It is a cyclic number.

It is not a de Polignac number, because 185827075049 - 24 = 185827075033 is a prime.

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 = 185827074985 and 185827075003.

It is not an unprimeable number, because it can be changed into a prime (185827075069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63507449 + ... + 63510374.

It is an arithmetic number, because the mean of its divisors is an integer number (15242138880).

Almost surely, 2185827075049 is an apocalyptic number.

185827075049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

185827075049 is a deficient number, since it is larger than the sum of its proper divisors (58047147031).

185827075049 is a wasteful number, since it uses less digits than its factorization.

185827075049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127017860.

The product of its (nonzero) digits is 5644800, while the sum is 56.

The spelling of 185827075049 in words is "one hundred eighty-five billion, eight hundred twenty-seven million, seventy-five thousand, forty-nine".

Divisors: 1 7 11 19 77 133 209 1463 127017823 889124761 1397196053 2413338637 9780372371 16893370459 26546725007 185827075049