Base | Representation |
---|---|
bin | 11101011001011111010… |
… | …001110011010000001101 |
3 | 21011010120112001101212002 |
4 | 131121133101303100031 |
5 | 231044414140143041 |
6 | 4144025435122045 |
7 | 265646155165160 |
oct | 35313721632015 |
9 | 7133515041762 |
10 | 2020233131021 |
11 | 709859a31676 |
12 | 28764bba3325 |
13 | 118679326451 |
14 | 6dacbaddad7 |
15 | 3783e44959b |
hex | 1d65f47340d |
2020233131021 has 16 divisors (see below), whose sum is σ = 2381684942976. Its totient is φ = 1677405433536.
The previous prime is 2020233131003. The next prime is 2020233131023. The reversal of 2020233131021 is 1201313320202.
It is not a de Polignac number, because 2020233131021 - 26 = 2020233130957 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2020233130984 and 2020233131002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020233131023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17122106 + ... + 17239691.
It is an arithmetic number, because the mean of its divisors is an integer number (148855308936).
Almost surely, 22020233131021 is an apocalyptic number.
It is an amenable number.
2020233131021 is a deficient number, since it is larger than the sum of its proper divisors (361451811955).
2020233131021 is a wasteful number, since it uses less digits than its factorization.
2020233131021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34362068.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 2020233131021 its reverse (1201313320202), we get a palindrome (3221546451223).
The spelling of 2020233131021 in words is "two trillion, twenty billion, two hundred thirty-three million, one hundred thirty-one thousand, twenty-one".
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