Base | Representation |
---|---|
bin | 111001110111010011… |
… | …0100010111010000001 |
3 | 102212202001012002021211 |
4 | 1303232212202322001 |
5 | 4013442103304040 |
6 | 133030225250121 |
7 | 11656221661525 |
oct | 1635646427201 |
9 | 385661162254 |
10 | 124262166145 |
11 | 48776831687 |
12 | 200bb193941 |
13 | b94421ac80 |
14 | 602b421d85 |
15 | 33742648ea |
hex | 1cee9a2e81 |
124262166145 has 32 divisors (see below), whose sum is σ = 170072838432. Its totient is φ = 86343831552.
The previous prime is 124262166143. The next prime is 124262166167. The reversal of 124262166145 is 541661262421.
It can be written as a sum of positive squares in 16 ways, for example, as 25294039681 + 98968126464 = 159041^2 + 314592^2 .
It is a cyclic number.
It is not a de Polignac number, because 124262166145 - 21 = 124262166143 is a prime.
It is a super-2 number, since 2×1242621661452 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 124262166098 and 124262166107.
It is not an unprimeable number, because it can be changed into a prime (124262166143) 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 31 ways as a sum of consecutive naturals, for example, 5483859 + ... + 5506471.
It is an arithmetic number, because the mean of its divisors is an integer number (5314776201).
Almost surely, 2124262166145 is an apocalyptic number.
It is an amenable number.
124262166145 is a deficient number, since it is larger than the sum of its proper divisors (45810672287).
124262166145 is a wasteful number, since it uses less digits than its factorization.
124262166145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27621.
The product of its digits is 138240, while the sum is 40.
The spelling of 124262166145 in words is "one hundred twenty-four billion, two hundred sixty-two million, one hundred sixty-six thousand, one hundred forty-five".
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