Base | Representation |
---|---|
bin | 10010101110000011… |
… | …100010011011011111 |
3 | 1220212210202102122220 |
4 | 102232003202123133 |
5 | 312131102012343 |
6 | 13122301240423 |
7 | 1311045312015 |
oct | 225603423337 |
9 | 56783672586 |
10 | 20100032223 |
11 | 8584a42787 |
12 | 3a8b563113 |
13 | 1b8432ccbb |
14 | d896c48b5 |
15 | 7c992a183 |
hex | 4ae0e26df |
20100032223 has 8 divisors (see below), whose sum is σ = 27305704368. Its totient is φ = 13147190784.
The previous prime is 20100032221. The next prime is 20100032233. The reversal of 20100032223 is 32223000102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20100032223 - 21 = 20100032221 is a prime.
It is a super-2 number, since 2×201000322232 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20100032221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63207490 + ... + 63207807.
It is an arithmetic number, because the mean of its divisors is an integer number (3413213046).
Almost surely, 220100032223 is an apocalyptic number.
20100032223 is a deficient number, since it is larger than the sum of its proper divisors (7205672145).
20100032223 is a wasteful number, since it uses less digits than its factorization.
20100032223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126415353.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20100032223 its reverse (32223000102), we get a palindrome (52323032325).
The spelling of 20100032223 in words is "twenty billion, one hundred million, thirty-two thousand, two hundred twenty-three".
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