Base | Representation |
---|---|
bin | 10010101101010101… |
… | …110001101110011101 |
3 | 1220211222011222021201 |
4 | 102231111301232131 |
5 | 312120014130003 |
6 | 13121152155501 |
7 | 1310541330235 |
oct | 225525615635 |
9 | 56758158251 |
10 | 20088036253 |
11 | 8579199a5a |
12 | 3a87538b91 |
13 | 1b819bcaac |
14 | d87c80cc5 |
15 | 7c885ab1d |
hex | 4ad571b9d |
20088036253 has 2 divisors, whose sum is σ = 20088036254. Its totient is φ = 20088036252.
The previous prime is 20088036251. The next prime is 20088036257. The reversal of 20088036253 is 35263088002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15490789444 + 4597246809 = 124462^2 + 67803^2 .
It is a cyclic number.
It is not a de Polignac number, because 20088036253 - 21 = 20088036251 is a prime.
Together with 20088036251, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20088036251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044018126 + 10044018127.
It is an arithmetic number, because the mean of its divisors is an integer number (10044018127).
Almost surely, 220088036253 is an apocalyptic number.
It is an amenable number.
20088036253 is a deficient number, since it is larger than the sum of its proper divisors (1).
20088036253 is an equidigital number, since it uses as much as digits as its factorization.
20088036253 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 69120, while the sum is 37.
The spelling of 20088036253 in words is "twenty billion, eighty-eight million, thirty-six thousand, two hundred fifty-three".
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