Base | Representation |
---|---|
bin | 1001001011111101011000… |
… | …10000000111110000010111 |
3 | 2122112022012112222020202221 |
4 | 10211332230100013300113 |
5 | 10121442421000202221 |
6 | 110544420514443211 |
7 | 4153361252023543 |
oct | 445765420076027 |
9 | 78468175866687 |
10 | 20202121100311 |
11 | 64897427692a7 |
12 | 2323381593507 |
13 | b37089b9ac47 |
14 | 4dbb05d1ca23 |
15 | 25078463e541 |
hex | 125fac407c17 |
20202121100311 has 8 divisors (see below), whose sum is σ = 20332052395200. Its totient is φ = 20072391095520.
The previous prime is 20202121100261. The next prime is 20202121100363. The reversal of 20202121100311 is 11300112120202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20202121100311 - 213 = 20202121092119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202121200311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50121151 + ... + 50522608.
It is an arithmetic number, because the mean of its divisors is an integer number (2541506549400).
Almost surely, 220202121100311 is an apocalyptic number.
20202121100311 is a deficient number, since it is larger than the sum of its proper divisors (129931294889).
20202121100311 is a wasteful number, since it uses less digits than its factorization.
20202121100311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100645049.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 20202121100311 its reverse (11300112120202), we get a palindrome (31502233220513).
The spelling of 20202121100311 in words is "twenty trillion, two hundred two billion, one hundred twenty-one million, one hundred thousand, three hundred eleven".
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