Base | Representation |
---|---|
bin | 101100101011111000… |
… | …101011100100010101 |
3 | 11120211212120020021100 |
4 | 230223320223210111 |
5 | 1241231103402221 |
6 | 34013033340313 |
7 | 3316004040255 |
oct | 545370534425 |
9 | 146755506240 |
10 | 47980919061 |
11 | 19391a83719 |
12 | 9370867699 |
13 | 46a867468a |
14 | 2472509965 |
15 | 13ac4b3926 |
hex | b2be2b915 |
47980919061 has 24 divisors (see below), whose sum is σ = 70930338336. Its totient is φ = 31237748640.
The previous prime is 47980919057. The next prime is 47980919071. The reversal of 47980919061 is 16091908974.
47980919061 is a `hidden beast` number, since 479 + 80 + 9 + 1 + 90 + 6 + 1 = 666.
It is not a de Polignac number, because 47980919061 - 22 = 47980919057 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 47980918989 and 47980919007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47980919071) 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 23 ways as a sum of consecutive naturals, for example, 3887446 + ... + 3899768.
It is an arithmetic number, because the mean of its divisors is an integer number (2955430764).
Almost surely, 247980919061 is an apocalyptic number.
It is an amenable number.
47980919061 is a deficient number, since it is larger than the sum of its proper divisors (22949419275).
47980919061 is a wasteful number, since it uses less digits than its factorization.
47980919061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22433 (or 22430 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 54.
The spelling of 47980919061 in words is "forty-seven billion, nine hundred eighty million, nine hundred nineteen thousand, sixty-one".
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