Base | Representation |
---|---|
bin | 1110111101000… |
… | …11111011111111 |
3 | 22202001121211112 |
4 | 13132203323333 |
5 | 224103431111 |
6 | 20240512235 |
7 | 3052216235 |
oct | 736437377 |
9 | 282047745 |
10 | 125452031 |
11 | 648a5a71 |
12 | 3601b67b |
13 | 1ccb5693 |
14 | 12938955 |
15 | b030e8b |
hex | 77a3eff |
125452031 has 2 divisors, whose sum is σ = 125452032. Its totient is φ = 125452030.
The previous prime is 125452021. The next prime is 125452037. The reversal of 125452031 is 130254521.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 125452031 - 222 = 121257727 is a prime.
It is a super-2 number, since 2×1254520312 = 31476424164049922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 125451988 and 125452006.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (125452037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62726015 + 62726016.
It is an arithmetic number, because the mean of its divisors is an integer number (62726016).
Almost surely, 2125452031 is an apocalyptic number.
125452031 is a deficient number, since it is larger than the sum of its proper divisors (1).
125452031 is an equidigital number, since it uses as much as digits as its factorization.
125452031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 125452031 is about 11200.5370853366. The cubic root of 125452031 is about 500.6019829422.
The spelling of 125452031 in words is "one hundred twenty-five million, four hundred fifty-two thousand, thirty-one".
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