Base | Representation |
---|---|
bin | 101111111110100100… |
… | …0111010011100100001 |
3 | 100211221102102021101011 |
4 | 1133331020322130201 |
5 | 3142001443020001 |
6 | 115155404340521 |
7 | 10305131630413 |
oct | 1377510723441 |
9 | 324842367334 |
10 | 103031220001 |
11 | 3a77148a5a6 |
12 | 17b74b44741 |
13 | 993c805348 |
14 | 4db58729b3 |
15 | 2a303e8d51 |
hex | 17fd23a721 |
103031220001 has 4 divisors (see below), whose sum is σ = 104568999472. Its totient is φ = 101493440532.
The previous prime is 103031219947. The next prime is 103031220041. The reversal of 103031220001 is 100022130301.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 103031220001 - 221 = 103029122849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (103031220041) 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, 768889635 + ... + 768889768.
It is an arithmetic number, because the mean of its divisors is an integer number (26142249868).
Almost surely, 2103031220001 is an apocalyptic number.
It is an amenable number.
103031220001 is a deficient number, since it is larger than the sum of its proper divisors (1537779471).
103031220001 is an equidigital number, since it uses as much as digits as its factorization.
103031220001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1537779470.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 103031220001 its reverse (100022130301), we get a palindrome (203053350302).
The spelling of 103031220001 in words is "one hundred three billion, thirty-one million, two hundred twenty thousand, one".
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