Base | Representation |
---|---|
bin | 10011000100111010… |
… | …010010000101000011 |
3 | 1221212112021200202122 |
4 | 103010322102011003 |
5 | 313422232410143 |
6 | 13224320034455 |
7 | 1323412503122 |
oct | 230472220503 |
9 | 57775250678 |
10 | 20483481923 |
11 | 8761434163 |
12 | 3b77a62a2b |
13 | 1c158c8408 |
14 | dc45bbab9 |
15 | 7ed41ec68 |
hex | 4c4e92143 |
20483481923 has 8 divisors (see below), whose sum is σ = 20916468000. Its totient is φ = 20052218368.
The previous prime is 20483481919. The next prime is 20483481947. The reversal of 20483481923 is 32918438402.
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 20483481923 - 22 = 20483481919 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20483480923) 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, 406583 + ... + 454176.
It is an arithmetic number, because the mean of its divisors is an integer number (2614558500).
Almost surely, 220483481923 is an apocalyptic number.
20483481923 is a deficient number, since it is larger than the sum of its proper divisors (432986077).
20483481923 is an equidigital number, since it uses as much as digits as its factorization.
20483481923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861261.
The product of its (nonzero) digits is 331776, while the sum is 44.
The spelling of 20483481923 in words is "twenty billion, four hundred eighty-three million, four hundred eighty-one thousand, nine hundred twenty-three".
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