Base | Representation |
---|---|
bin | 111100010000010… |
… | …010000000001001 |
3 | 2121110012002110211 |
4 | 330100102000021 |
5 | 4032242313001 |
6 | 244151041121 |
7 | 34023342145 |
oct | 7420220011 |
9 | 2543162424 |
10 | 1010901001 |
11 | 479699980 |
12 | 2426701a1 |
13 | 131585b96 |
14 | 98388225 |
15 | 5db36351 |
hex | 3c412009 |
1010901001 has 4 divisors (see below), whose sum is σ = 1102801104. Its totient is φ = 919000900.
The previous prime is 1010900999. The next prime is 1010901029. The reversal of 1010901001 is 1001090101.
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 1010901001 - 21 = 1010900999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1010901091) 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, 45950035 + ... + 45950056.
It is an arithmetic number, because the mean of its divisors is an integer number (275700276).
Almost surely, 21010901001 is an apocalyptic number.
1010901001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1010901001 is a deficient number, since it is larger than the sum of its proper divisors (91900103).
1010901001 is an equidigital number, since it uses as much as digits as its factorization.
1010901001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91900102.
The product of its (nonzero) digits is 9, while the sum is 13.
The square root of 1010901001 is about 31794.6693802593. The cubic root of 1010901001 is about 1003.6205428497.
Adding to 1010901001 its reverse (1001090101), we get a palindrome (2011991102).
It can be divided in two parts, 101090100 and 1, that added together give a palindrome (101090101).
The spelling of 1010901001 in words is "one billion, ten million, nine hundred one thousand, one".
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