Base | Representation |
---|---|
bin | 10011000101101000… |
… | …000111010000110101 |
3 | 1221220100220002022112 |
4 | 103011220013100311 |
5 | 313433321334440 |
6 | 13225425340405 |
7 | 1323616562240 |
oct | 230550072065 |
9 | 57810802275 |
10 | 20495496245 |
11 | 876819a754 |
12 | 3b7ba97705 |
13 | 1c18243a93 |
14 | dc6028257 |
15 | 7ee4e4965 |
hex | 4c5a07435 |
20495496245 has 8 divisors (see below), whose sum is σ = 28108109184. Its totient is φ = 14054054544.
The previous prime is 20495496227. The next prime is 20495496257. The reversal of 20495496245 is 54269459402.
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 20495496245 - 230 = 19421754421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20495496193 and 20495496202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292792769 + ... + 292792838.
It is an arithmetic number, because the mean of its divisors is an integer number (3513513648).
Almost surely, 220495496245 is an apocalyptic number.
It is an amenable number.
20495496245 is a deficient number, since it is larger than the sum of its proper divisors (7612612939).
20495496245 is an equidigital number, since it uses as much as digits as its factorization.
20495496245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585585619.
The product of its (nonzero) digits is 3110400, while the sum is 50.
The spelling of 20495496245 in words is "twenty billion, four hundred ninety-five million, four hundred ninety-six thousand, two hundred forty-five".
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