Base | Representation |
---|---|
bin | 10010110111001000… |
… | …001110010001001001 |
3 | 1221021102012011110211 |
4 | 102313020032101021 |
5 | 312434034132210 |
6 | 13145340041121 |
7 | 1314604221052 |
oct | 226710162111 |
9 | 57242164424 |
10 | 20252255305 |
11 | 8652963187 |
12 | 3b125331a1 |
13 | 1ba9a29a29 |
14 | da19cb729 |
15 | 7d7e9838a |
hex | 4b720e449 |
20252255305 has 8 divisors (see below), whose sum is σ = 24303831552. Its totient is φ = 16201054128.
The previous prime is 20252255171. The next prime is 20252255311. The reversal of 20252255305 is 50355225202.
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 20252255305 - 211 = 20252253257 is a prime.
It is a Duffinian 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, 43224 + ... + 205846.
It is an arithmetic number, because the mean of its divisors is an integer number (3037978944).
Almost surely, 220252255305 is an apocalyptic number.
It is an amenable number.
20252255305 is a deficient number, since it is larger than the sum of its proper divisors (4051576247).
20252255305 is a wasteful number, since it uses less digits than its factorization.
20252255305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187535.
The product of its (nonzero) digits is 30000, while the sum is 31.
The spelling of 20252255305 in words is "twenty billion, two hundred fifty-two million, two hundred fifty-five thousand, three hundred five".
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