Base | Representation |
---|---|
bin | 10010110110011010… |
… | …01101011001110101 |
3 | 222010021210120022012 |
4 | 21123031031121311 |
5 | 131211222432041 |
6 | 4352113214005 |
7 | 505533430520 |
oct | 113315153165 |
9 | 28107716265 |
10 | 10120124021 |
11 | 4323600a67 |
12 | 1b65261305 |
13 | c53858987 |
14 | 6c00b1bb7 |
15 | 3e36da3eb |
hex | 25b34d675 |
10120124021 has 16 divisors (see below), whose sum is σ = 12261199104. Its totient is φ = 8154134784.
The previous prime is 10120124011. The next prime is 10120124041. The reversal of 10120124021 is 12042102101.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 10120124021 - 210 = 10120122997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10120123987 and 10120124005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120124011) 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 15 ways as a sum of consecutive naturals, for example, 46271 + ... + 149603.
It is an arithmetic number, because the mean of its divisors is an integer number (766324944).
Almost surely, 210120124021 is an apocalyptic number.
It is an amenable number.
10120124021 is a deficient number, since it is larger than the sum of its proper divisors (2141075083).
10120124021 is a wasteful number, since it uses less digits than its factorization.
10120124021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104180.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 10120124021 its reverse (12042102101), we get a palindrome (22162226122).
The spelling of 10120124021 in words is "ten billion, one hundred twenty million, one hundred twenty-four thousand, twenty-one".
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