Base | Representation |
---|---|
bin | 101111111110100100… |
… | …0111111111100101101 |
3 | 100211221102110102021222 |
4 | 1133331020333330231 |
5 | 3142001444230131 |
6 | 115155405033125 |
7 | 10305132053213 |
oct | 1377510777455 |
9 | 324842412258 |
10 | 103031242541 |
11 | 3a7714a5527 |
12 | 17b74b557a5 |
13 | 993c812696 |
14 | 4db587acb3 |
15 | 2a3040087b |
hex | 17fd23ff2d |
103031242541 has 4 divisors (see below), whose sum is σ = 103035225084. Its totient is φ = 103027260000.
The previous prime is 103031242519. The next prime is 103031242547. The reversal of 103031242541 is 145242130301.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 61688153641 + 41343088900 = 248371^2 + 203330^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-103031242541 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 103031242541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103031242547) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952210 + ... + 2004291.
It is an arithmetic number, because the mean of its divisors is an integer number (25758806271).
Almost surely, 2103031242541 is an apocalyptic number.
It is an amenable number.
103031242541 is a deficient number, since it is larger than the sum of its proper divisors (3982543).
103031242541 is an equidigital number, since it uses as much as digits as its factorization.
103031242541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3982542.
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 103031242541 its reverse (145242130301), we get a palindrome (248273372842).
The spelling of 103031242541 in words is "one hundred three billion, thirty-one million, two hundred forty-two thousand, five hundred forty-one".
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