Base | Representation |
---|---|
bin | 1110111010100… |
… | …11100011010010 |
3 | 22201102220011200 |
4 | 13131103203102 |
5 | 224012412040 |
6 | 20225452030 |
7 | 3046345263 |
oct | 735234322 |
9 | 281386150 |
10 | 125122770 |
11 | 646a0653 |
12 | 35aa1016 |
13 | 1cbcb856 |
14 | 1289096a |
15 | aeb8630 |
hex | 77538d2 |
125122770 has 24 divisors (see below), whose sum is σ = 325319436. Its totient is φ = 33366048.
The previous prime is 125122729. The next prime is 125122801. The reversal of 125122770 is 77221521.
It can be written as a sum of positive squares in 2 ways, for example, as 105329169 + 19793601 = 10263^2 + 4449^2 .
It is a super-3 number, since 3×1251227703 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695037 + ... + 695216.
Almost surely, 2125122770 is an apocalyptic number.
125122770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125122770 is an abundant number, since it is smaller than the sum of its proper divisors (200196666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125122770 is a wasteful number, since it uses less digits than its factorization.
125122770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1390266 (or 1390263 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
The square root of 125122770 is about 11185.8289813496. The cubic root of 125122770 is about 500.1636397715.
The spelling of 125122770 in words is "one hundred twenty-five million, one hundred twenty-two thousand, seven hundred seventy".
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