Base | Representation |
---|---|
bin | 100100000111010000… |
… | …0100100100001011010 |
3 | 21102011210022222121120 |
4 | 1020032200210201122 |
5 | 2232312011034204 |
6 | 55343254150110 |
7 | 5413555116543 |
oct | 1101640444132 |
9 | 242153288546 |
10 | 77552830554 |
11 | 2a9876074a1 |
12 | 13044352336 |
13 | 740c142264 |
14 | 3a79b5b4ca |
15 | 203d72b6d9 |
hex | 120e82485a |
77552830554 has 16 divisors (see below), whose sum is σ = 161849385792. Its totient is φ = 24726989408.
The previous prime is 77552830547. The next prime is 77552830571. The reversal of 77552830554 is 45503825577.
It is a happy number.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 77552830497 and 77552830506.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 280988379 + ... + 280988654.
It is an arithmetic number, because the mean of its divisors is an integer number (10115586612).
Almost surely, 277552830554 is an apocalyptic number.
77552830554 is an abundant number, since it is smaller than the sum of its proper divisors (84296555238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
77552830554 is a wasteful number, since it uses less digits than its factorization.
77552830554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561977061.
The product of its (nonzero) digits is 5880000, while the sum is 51.
The spelling of 77552830554 in words is "seventy-seven billion, five hundred fifty-two million, eight hundred thirty thousand, five hundred fifty-four".
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