Base | Representation |
---|---|
bin | 10010111011110110… |
… | …100111100101001010 |
3 | 1221110221100120002001 |
4 | 102323312213211022 |
5 | 313114332321344 |
6 | 13201251101214 |
7 | 1316556060250 |
oct | 227366474512 |
9 | 57427316061 |
10 | 20331526474 |
11 | 8693686846 |
12 | 3b34ba180a |
13 | 1bc029344c |
14 | dac3445d0 |
15 | 7dee05ed4 |
hex | 4bbda794a |
20331526474 has 8 divisors (see below), whose sum is σ = 34854045408. Its totient is φ = 8713511340.
The previous prime is 20331526447. The next prime is 20331526477. The reversal of 20331526474 is 47462513302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20331526477) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726125932 + ... + 726125959.
It is an arithmetic number, because the mean of its divisors is an integer number (4356755676).
Almost surely, 220331526474 is an apocalyptic number.
20331526474 is a deficient number, since it is larger than the sum of its proper divisors (14522518934).
20331526474 is a wasteful number, since it uses less digits than its factorization.
20331526474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1452251900.
The product of its (nonzero) digits is 120960, while the sum is 37.
The spelling of 20331526474 in words is "twenty billion, three hundred thirty-one million, five hundred twenty-six thousand, four hundred seventy-four".
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