Base | Representation |
---|---|
bin | 10010111011110110… |
… | …100111101110000010 |
3 | 1221110221100120212002 |
4 | 102323312213232002 |
5 | 313114332331132 |
6 | 13201251104002 |
7 | 1316556062021 |
oct | 227366475602 |
9 | 57427316762 |
10 | 20331527042 |
11 | 8693687212 |
12 | 3b34ba2002 |
13 | 1bc0293798 |
14 | dac3448b8 |
15 | 7dee06262 |
hex | 4bbda7b82 |
20331527042 has 8 divisors (see below), whose sum is σ = 30997246332. Its totient is φ = 9999111600.
The previous prime is 20331527033. The next prime is 20331527063. The reversal of 20331527042 is 24072513302.
It can be written as a sum of positive squares in 2 ways, for example, as 20238192121 + 93334921 = 142261^2 + 9661^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20331526996 and 20331527014.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83325809 + ... + 83326052.
Almost surely, 220331527042 is an apocalyptic number.
20331527042 is a deficient number, since it is larger than the sum of its proper divisors (10665719290).
20331527042 is a wasteful number, since it uses less digits than its factorization.
20331527042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166651924.
The product of its (nonzero) digits is 10080, while the sum is 29.
The spelling of 20331527042 in words is "twenty billion, three hundred thirty-one million, five hundred twenty-seven thousand, forty-two".
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