Base | Representation |
---|---|
bin | 10010101001111101… |
… | …010110111001000001 |
3 | 1220201000102122012202 |
4 | 102221331112321001 |
5 | 312011003200413 |
6 | 13111404202545 |
7 | 1306252160654 |
oct | 225175267101 |
9 | 56630378182 |
10 | 20031303233 |
11 | 854a16a667 |
12 | 3a70539455 |
13 | 1b73017b66 |
14 | d8051389b |
15 | 7c38a0e58 |
hex | 4a9f56e41 |
20031303233 has 8 divisors (see below), whose sum is σ = 20081771808. Its totient is φ = 19980882144.
The previous prime is 20031303217. The next prime is 20031303251. The reversal of 20031303233 is 33230313002.
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 20031303233 - 24 = 20031303217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20031003233) 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, 923885 + ... + 945317.
It is an arithmetic number, because the mean of its divisors is an integer number (2510221476).
Almost surely, 220031303233 is an apocalyptic number.
It is an amenable number.
20031303233 is a deficient number, since it is larger than the sum of its proper divisors (50468575).
20031303233 is a wasteful number, since it uses less digits than its factorization.
20031303233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23743.
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 20031303233 its reverse (33230313002), we get a palindrome (53261616235).
The spelling of 20031303233 in words is "twenty billion, thirty-one million, three hundred three thousand, two hundred thirty-three".
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