Base | Representation |
---|---|
bin | 10010101001011001… |
… | …111101010000010111 |
3 | 1220200100222011101111 |
4 | 102221121331100113 |
5 | 312001114220231 |
6 | 13110433235451 |
7 | 1306110250312 |
oct | 225131752027 |
9 | 56610864344 |
10 | 20022023191 |
11 | 8544a01405 |
12 | 3a69402b87 |
13 | 1b71118c01 |
14 | d7d1b9979 |
15 | 7c2b6b4b1 |
hex | 4a967d417 |
20022023191 has 2 divisors, whose sum is σ = 20022023192. Its totient is φ = 20022023190.
The previous prime is 20022023179. The next prime is 20022023233. The reversal of 20022023191 is 19132022002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20022023191 - 215 = 20021990423 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20022033191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011011595 + 10011011596.
It is an arithmetic number, because the mean of its divisors is an integer number (10011011596).
Almost surely, 220022023191 is an apocalyptic number.
20022023191 is a deficient number, since it is larger than the sum of its proper divisors (1).
20022023191 is an equidigital number, since it uses as much as digits as its factorization.
20022023191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 20022023191 its reverse (19132022002), we get a palindrome (39154045193).
The spelling of 20022023191 in words is "twenty billion, twenty-two million, twenty-three thousand, one hundred ninety-one".
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