Base | Representation |
---|---|
bin | 111010011001100100… |
… | …1010010100101100111 |
3 | 102222201012001001022200 |
4 | 1310303021102211213 |
5 | 4023321001000111 |
6 | 133340305025543 |
7 | 12026554321404 |
oct | 1646311224547 |
9 | 388635031280 |
10 | 125412125031 |
11 | 49206969826 |
12 | 203803252b3 |
13 | ba9854140b |
14 | 60da0472ab |
15 | 33e01b8256 |
hex | 1d33252967 |
125412125031 has 12 divisors (see below), whose sum is σ = 181210890120. Its totient is φ = 83580371280.
The previous prime is 125412125011. The next prime is 125412125099. The reversal of 125412125031 is 130521214521.
It is a happy number.
125412125031 is a `hidden beast` number, since 125 + 412 + 125 + 0 + 3 + 1 = 666.
It is not a de Polignac number, because 125412125031 - 210 = 125412124007 is a prime.
It is a super-2 number, since 2×1254121250312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 125412124986 and 125412125004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125412125011) 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 11 ways as a sum of consecutive naturals, for example, 2280660 + ... + 2335001.
It is an arithmetic number, because the mean of its divisors is an integer number (15100907510).
Almost surely, 2125412125031 is an apocalyptic number.
125412125031 is a deficient number, since it is larger than the sum of its proper divisors (55798765089).
125412125031 is a wasteful number, since it uses less digits than its factorization.
125412125031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4618686 (or 4618683 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 125412125031 its reverse (130521214521), we get a palindrome (255933339552).
The spelling of 125412125031 in words is "one hundred twenty-five billion, four hundred twelve million, one hundred twenty-five thousand, thirty-one".
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