Base | Representation |
---|---|
bin | 111010010100010111… |
… | …0111101100000111000 |
3 | 102222021000100200100000 |
4 | 1310220232331200320 |
5 | 4022441241411213 |
6 | 133311105113000 |
7 | 12022333524201 |
oct | 1645056754070 |
9 | 388230320300 |
10 | 125237450808 |
11 | 49127304468 |
12 | 20331928760 |
13 | ba6b2b36a2 |
14 | 60c0b785a8 |
15 | 33cebb2c73 |
hex | 1d28bbd838 |
125237450808 has 288 divisors, whose sum is σ = 372150979200. Its totient is φ = 39434351040.
The previous prime is 125237450803. The next prime is 125237450809. The reversal of 125237450808 is 808054732521.
125237450808 is a `hidden beast` number, since 1 + 2 + 523 + 7 + 45 + 0 + 80 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125237450803) 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 71 ways as a sum of consecutive naturals, for example, 80331133 + ... + 80332691.
It is an arithmetic number, because the mean of its divisors is an integer number (1292190900).
Almost surely, 2125237450808 is an apocalyptic number.
125237450808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 125237450808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186075489600).
125237450808 is an abundant number, since it is smaller than the sum of its proper divisors (246913528392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125237450808 is a wasteful number, since it uses less digits than its factorization.
125237450808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1685 (or 1638 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 45.
The spelling of 125237450808 in words is "one hundred twenty-five billion, two hundred thirty-seven million, four hundred fifty thousand, eight hundred eight".
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