Base | Representation |
---|---|
bin | 10010101010000100… |
… | …101001001110010010 |
3 | 1220201011000200101002 |
4 | 102222010221032102 |
5 | 312012000311310 |
6 | 13111513142002 |
7 | 1306304334524 |
oct | 225204511622 |
9 | 56634020332 |
10 | 20033213330 |
11 | 8550254759 |
12 | 3a710ba902 |
13 | 1b735363b0 |
14 | d8088da14 |
15 | 7c3b2bda5 |
hex | 4aa129392 |
20033213330 has 16 divisors (see below), whose sum is σ = 38833613784. Its totient is φ = 7396878720.
The previous prime is 20033213273. The next prime is 20033213353. The reversal of 20033213330 is 3331233002.
It can be written as a sum of positive squares in 4 ways, for example, as 16182638521 + 3850574809 = 127211^2 + 62053^2 .
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, 77050691 + ... + 77050950.
Almost surely, 220033213330 is an apocalyptic number.
20033213330 is a deficient number, since it is larger than the sum of its proper divisors (18800400454).
20033213330 is a wasteful number, since it uses less digits than its factorization.
20033213330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154101661.
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 20033213330 its reverse (3331233002), we get a palindrome (23364446332).
The spelling of 20033213330 in words is "twenty billion, thirty-three million, two hundred thirteen thousand, three hundred thirty".
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