Base | Representation |
---|---|
bin | 1110111111010… |
… | …01111110001010 |
3 | 22202121012022221 |
4 | 13133221332022 |
5 | 224142121030 |
6 | 20251004254 |
7 | 3054522454 |
oct | 737517612 |
9 | 282535287 |
10 | 125738890 |
11 | 64a81542 |
12 | 3613968a |
13 | 20086114 |
14 | 129b12d4 |
15 | b08ae7a |
hex | 77e9f8a |
125738890 has 32 divisors (see below), whose sum is σ = 229791744. Its totient is φ = 49533120.
The previous prime is 125738813. The next prime is 125738917. The reversal of 125738890 is 98837521.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229597 + ... + 230143.
It is an arithmetic number, because the mean of its divisors is an integer number (7180992).
Almost surely, 2125738890 is an apocalyptic number.
125738890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125738890 is a deficient number, since it is larger than the sum of its proper divisors (104052854).
125738890 is a wasteful number, since it uses less digits than its factorization.
125738890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862.
The product of its (nonzero) digits is 120960, while the sum is 43.
The square root of 125738890 is about 11213.3353646451. The cubic root of 125738890 is about 500.9832518309.
The spelling of 125738890 in words is "one hundred twenty-five million, seven hundred thirty-eight thousand, eight hundred ninety".
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