Base | Representation |
---|---|
bin | 11101111010100100… |
… | …000000011001001111 |
3 | 10001220120101101212001 |
4 | 131322210000121033 |
5 | 1011240440431343 |
6 | 22431201053131 |
7 | 2214663152302 |
oct | 357244003117 |
9 | 101816341761 |
10 | 32121030223 |
11 | 12693536477 |
12 | 62853271a7 |
13 | 304b937279 |
14 | 17aa00ab39 |
15 | c7ee4744d |
hex | 77a90064f |
32121030223 has 4 divisors (see below), whose sum is σ = 32125078048. Its totient is φ = 32116982400.
The previous prime is 32121030211. The next prime is 32121030251. The reversal of 32121030223 is 32203012123.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203012123 = 37 ⋅870351679.
It is a cyclic number.
It is not a de Polignac number, because 32121030223 - 29 = 32121029711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 32121030223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32121034223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011986 + ... + 2027887.
It is an arithmetic number, because the mean of its divisors is an integer number (8031269512).
Almost surely, 232121030223 is an apocalyptic number.
32121030223 is a deficient number, since it is larger than the sum of its proper divisors (4047825).
32121030223 is an equidigital number, since it uses as much as digits as its factorization.
32121030223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4047824.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 32121030223 its reverse (32203012123), we get a palindrome (64324042346).
The spelling of 32121030223 in words is "thirty-two billion, one hundred twenty-one million, thirty thousand, two hundred twenty-three".
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