Base | Representation |
---|---|
bin | 11101101100010010101… |
… | …00111111110100000101 |
3 | 10121112100021102101120101 |
4 | 32312021110333310011 |
5 | 113203343033411010 |
6 | 2100402323204101 |
7 | 133464533250460 |
oct | 16661124776405 |
9 | 3545307371511 |
10 | 1020211232005 |
11 | 36373a709719 |
12 | 145882816631 |
13 | 75289661014 |
14 | 375427d62d7 |
15 | 1b810d0973a |
hex | ed8953fd05 |
1020211232005 has 16 divisors (see below), whose sum is σ = 1401429320064. Its totient is φ = 698432172480.
The previous prime is 1020211231997. The next prime is 1020211232041. The reversal of 1020211232005 is 5002321120201.
It is not a de Polignac number, because 1020211232005 - 23 = 1020211231997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23754151 + ... + 23797060.
It is an arithmetic number, because the mean of its divisors is an integer number (87589332504).
Almost surely, 21020211232005 is an apocalyptic number.
It is an amenable number.
1020211232005 is a deficient number, since it is larger than the sum of its proper divisors (381218088059).
1020211232005 is an equidigital number, since it uses as much as digits as its factorization.
1020211232005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47551836.
The product of its (nonzero) digits is 240, while the sum is 19.
Adding to 1020211232005 its reverse (5002321120201), we get a palindrome (6022532352206).
The spelling of 1020211232005 in words is "one trillion, twenty billion, two hundred eleven million, two hundred thirty-two thousand, five".
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