Base | Representation |
---|---|
bin | 1110001011101101111… |
… | …00100010111110110101 |
3 | 1201120212122111220121212 |
4 | 13011312330202332311 |
5 | 30441021140402421 |
6 | 1011512550251205 |
7 | 50131262125502 |
oct | 7056674427665 |
9 | 1646778456555 |
10 | 487326887861 |
11 | 178746361800 |
12 | 7a544956b05 |
13 | 36c546cc458 |
14 | 1983006a4a9 |
15 | ca23251e5b |
hex | 7176f22fb5 |
487326887861 has 12 divisors (see below), whose sum is σ = 536393728416. Its totient is φ = 442414976520.
The previous prime is 487326887843. The next prime is 487326887863. The reversal of 487326887861 is 168788623784.
It is not a de Polignac number, because 487326887861 - 238 = 212448980917 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 487326887791 and 487326887800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487326887863) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2681975 + ... + 2857908.
It is an arithmetic number, because the mean of its divisors is an integer number (44699477368).
Almost surely, 2487326887861 is an apocalyptic number.
It is an amenable number.
487326887861 is a deficient number, since it is larger than the sum of its proper divisors (49066840555).
487326887861 is a wasteful number, since it uses less digits than its factorization.
487326887861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5540632 (or 5540621 counting only the distinct ones).
The product of its digits is 173408256, while the sum is 68.
The spelling of 487326887861 in words is "four hundred eighty-seven billion, three hundred twenty-six million, eight hundred eighty-seven thousand, eight hundred sixty-one".
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