Base | Representation |
---|---|
bin | 1110111000110… |
… | …01100010010110 |
3 | 22200222211012122 |
4 | 13130121202112 |
5 | 223432311032 |
6 | 20220415542 |
7 | 3044335424 |
oct | 734314226 |
9 | 280884178 |
10 | 124885142 |
11 | 64549068 |
12 | 359a75b2 |
13 | 1cb47645 |
14 | 1282c114 |
15 | ae6d012 |
hex | 7719896 |
124885142 has 4 divisors (see below), whose sum is σ = 187327716. Its totient is φ = 62442570.
The previous prime is 124885141. The next prime is 124885169. The reversal of 124885142 is 241588421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241588421 = 59 ⋅4094719.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124885141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31221284 + ... + 31221287.
It is an arithmetic number, because the mean of its divisors is an integer number (46831929).
Almost surely, 2124885142 is an apocalyptic number.
124885142 is a deficient number, since it is larger than the sum of its proper divisors (62442574).
124885142 is an equidigital number, since it uses as much as digits as its factorization.
124885142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62442573.
The product of its digits is 20480, while the sum is 35.
The square root of 124885142 is about 11175.2021010808. The cubic root of 124885142 is about 499.8468090699.
The spelling of 124885142 in words is "one hundred twenty-four million, eight hundred eighty-five thousand, one hundred forty-two".
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