Base | Representation |
---|---|
bin | 10011000100010101… |
… | …111000110100010001 |
3 | 1221211212022222102221 |
4 | 103010111320310101 |
5 | 313412312110030 |
6 | 13223335341041 |
7 | 1323235425601 |
oct | 230425706421 |
9 | 57755288387 |
10 | 20473941265 |
11 | 8757008118 |
12 | 3b74821781 |
13 | 1c1393795b |
14 | dc3216c01 |
15 | 7ec687e7a |
hex | 4c4578d11 |
20473941265 has 8 divisors (see below), whose sum is σ = 24731437248. Its totient is φ = 16270681200.
The previous prime is 20473941263. The next prime is 20473941307. The reversal of 20473941265 is 56214937402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20473941265 - 21 = 20473941263 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20473941263) 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, 13558147 + ... + 13559656.
It is an arithmetic number, because the mean of its divisors is an integer number (3091429656).
Almost surely, 220473941265 is an apocalyptic number.
It is an amenable number.
20473941265 is a deficient number, since it is larger than the sum of its proper divisors (4257495983).
20473941265 is a wasteful number, since it uses less digits than its factorization.
20473941265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27117959.
The product of its (nonzero) digits is 362880, while the sum is 43.
The spelling of 20473941265 in words is "twenty billion, four hundred seventy-three million, nine hundred forty-one thousand, two hundred sixty-five".
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