Base | Representation |
---|---|
bin | 111010001111010101… |
… | …1010101100010100111 |
3 | 102221211020212200211011 |
4 | 1310132223111202213 |
5 | 4022120043302422 |
6 | 133242240523051 |
7 | 12015214436323 |
oct | 1643653254247 |
9 | 387736780734 |
10 | 125068728487 |
11 | 4905004492a |
12 | 202a5320487 |
13 | ba4235aab1 |
14 | 60a65b8983 |
15 | 33bee86077 |
hex | 1d1ead58a7 |
125068728487 has 2 divisors, whose sum is σ = 125068728488. Its totient is φ = 125068728486.
The previous prime is 125068728451. The next prime is 125068728511. The reversal of 125068728487 is 784827860521.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (784827860521) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 125068728487 - 211 = 125068726439 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (125068728887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62534364243 + 62534364244.
It is an arithmetic number, because the mean of its divisors is an integer number (62534364244).
Almost surely, 2125068728487 is an apocalyptic number.
125068728487 is a deficient number, since it is larger than the sum of its proper divisors (1).
125068728487 is an equidigital number, since it uses as much as digits as its factorization.
125068728487 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12042240, while the sum is 58.
The spelling of 125068728487 in words is "one hundred twenty-five billion, sixty-eight million, seven hundred twenty-eight thousand, four hundred eighty-seven".
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