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42828107785 = 5149223257791
BaseRepresentation
bin100111111000110000…
…010001000000001001
311002112202122022001021
4213320300101000021
51200202443422120
631401442552441
73044214624001
oct477060210011
9132482568037
1042828107785
1117188394301
128373068721
134066c71418
14210402b001
1511a9e24aaa
hex9f8c11009

42828107785 has 16 divisors (see below), whose sum is σ = 51970867200. Its totient is φ = 33879792960.

The previous prime is 42828107783. The next prime is 42828107809. The reversal of 42828107785 is 58770182824.

It is not a de Polignac number, because 42828107785 - 21 = 42828107783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42828107783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37240 + ... + 295030.

It is an arithmetic number, because the mean of its divisors is an integer number (3248179200).

Almost surely, 242828107785 is an apocalyptic number.

It is an amenable number.

42828107785 is a deficient number, since it is larger than the sum of its proper divisors (9142759415).

42828107785 is a wasteful number, since it uses less digits than its factorization.

42828107785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258168.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 42828107785 in words is "forty-two billion, eight hundred twenty-eight million, one hundred seven thousand, seven hundred eighty-five".

Divisors: 1 5 149 223 745 1115 33227 166135 257791 1288955 38410859 57487393 192054295 287436965 8565621557 42828107785