Base | Representation |
---|---|
bin | 111001110011000110… |
… | …0001100110011011101 |
3 | 102212101012122020112212 |
4 | 1303212030030303131 |
5 | 4013144441322031 |
6 | 133004224410205 |
7 | 11652556310345 |
oct | 1634614146335 |
9 | 385335566485 |
10 | 124121042141 |
11 | 48704102078 |
12 | 2007ba76965 |
13 | b920c09145 |
14 | 60167a7d25 |
15 | 3366b8a12b |
hex | 1ce630ccdd |
124121042141 has 8 divisors (see below), whose sum is σ = 131725803384. Its totient is φ = 116550005760.
The previous prime is 124121042093. The next prime is 124121042147. The reversal of 124121042141 is 141240121421.
It can be written as a sum of positive squares in 4 ways, for example, as 96628900 + 124024413241 = 9830^2 + 352171^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 124121042141 - 26 = 124121042077 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124121042147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8423630 + ... + 8438351.
It is an arithmetic number, because the mean of its divisors is an integer number (16465725423).
Almost surely, 2124121042141 is an apocalyptic number.
It is an amenable number.
124121042141 is a deficient number, since it is larger than the sum of its proper divisors (7604761243).
124121042141 is a wasteful number, since it uses less digits than its factorization.
124121042141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16862431.
The product of its (nonzero) digits is 512, while the sum is 23.
Adding to 124121042141 its reverse (141240121421), we get a palindrome (265361163562).
The spelling of 124121042141 in words is "one hundred twenty-four billion, one hundred twenty-one million, forty-two thousand, one hundred forty-one".
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