Base | Representation |
---|---|
bin | 110000111010110001… |
… | …0010011001110011101 |
3 | 101001011012020220002210 |
4 | 1201311202103032131 |
5 | 3210121043003041 |
6 | 120132042311033 |
7 | 10406156652111 |
oct | 1416542231635 |
9 | 331135226083 |
10 | 105051141021 |
11 | 406086a3112 |
12 | 184394b8479 |
13 | 9ba2135b98 |
14 | 5127c35741 |
15 | 2aec8e4016 |
hex | 187589339d |
105051141021 has 4 divisors (see below), whose sum is σ = 140068188032. Its totient is φ = 70034094012.
The previous prime is 105051140921. The next prime is 105051141029. The reversal of 105051141021 is 120141150501.
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, and also an emirpimes, since its reverse is a distinct semiprime: 120141150501 = 3 ⋅40047050167.
It is not a de Polignac number, because 105051141021 - 226 = 104984032157 is a prime.
It is a super-2 number, since 2×1050511410212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105051141029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17508523501 + ... + 17508523506.
It is an arithmetic number, because the mean of its divisors is an integer number (35017047008).
Almost surely, 2105051141021 is an apocalyptic number.
It is an amenable number.
105051141021 is a deficient number, since it is larger than the sum of its proper divisors (35017047011).
105051141021 is an equidigital number, since it uses as much as digits as its factorization.
105051141021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35017047010.
The product of its (nonzero) digits is 200, while the sum is 21.
Adding to 105051141021 its reverse (120141150501), we get a palindrome (225192291522).
The spelling of 105051141021 in words is "one hundred five billion, fifty-one million, one hundred forty-one thousand, twenty-one".
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