Base | Representation |
---|---|
bin | 100111100100010111… |
… | …0110001111000001011 |
3 | 22010022211222011000220 |
4 | 1033020232301320023 |
5 | 2343010323202442 |
6 | 103011410401123 |
7 | 6065454542334 |
oct | 1171056617013 |
9 | 263284864026 |
10 | 84972084747 |
11 | 33044587a30 |
12 | 14574b901a3 |
13 | 802226b5b4 |
14 | 418125128b |
15 | 2324c5deec |
hex | 13c8bb1e0b |
84972084747 has 32 divisors (see below), whose sum is σ = 127481402880. Its totient is φ = 49891173120.
The previous prime is 84972084739. The next prime is 84972084767. The reversal of 84972084747 is 74748027948.
It is not a de Polignac number, because 84972084747 - 23 = 84972084739 is a prime.
It is not an unprimeable number, because it can be changed into a prime (84972084737) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135154 + ... + 433832.
It is an arithmetic number, because the mean of its divisors is an integer number (3983793840).
Almost surely, 284972084747 is an apocalyptic number.
84972084747 is a deficient number, since it is larger than the sum of its proper divisors (42509318133).
84972084747 is a wasteful number, since it uses less digits than its factorization.
84972084747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 298963.
The product of its (nonzero) digits is 25288704, while the sum is 60.
The spelling of 84972084747 in words is "eighty-four billion, nine hundred seventy-two million, eighty-four thousand, seven hundred forty-seven".
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