Base | Representation |
---|---|
bin | 11101111011000110… |
… | …010011101011101001 |
3 | 10001221012022020102022 |
4 | 131323012103223221 |
5 | 1011300241201441 |
6 | 22432121514225 |
7 | 2215132452611 |
oct | 357306235351 |
9 | 101835266368 |
10 | 32130022121 |
11 | 1269861819a |
12 | 6288342975 |
13 | 3050765012 |
14 | 17ab2aba41 |
15 | c80b2184b |
hex | 77b193ae9 |
32130022121 has 4 divisors (see below), whose sum is σ = 32264457600. Its totient is φ = 31995586644.
The previous prime is 32130022091. The next prime is 32130022129. The reversal of 32130022121 is 12122003123.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 32130022121 - 214 = 32130005737 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 32130022121.
It is not an unprimeable number, because it can be changed into a prime (32130022129) 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, 67217381 + ... + 67217858.
It is an arithmetic number, because the mean of its divisors is an integer number (8066114400).
Almost surely, 232130022121 is an apocalyptic number.
It is an amenable number.
32130022121 is a deficient number, since it is larger than the sum of its proper divisors (134435479).
32130022121 is a wasteful number, since it uses less digits than its factorization.
32130022121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134435478.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 32130022121 its reverse (12122003123), we get a palindrome (44252025244).
It can be divided in two parts, 3213002 and 2121, that added together give a palindrome (3215123).
The spelling of 32130022121 in words is "thirty-two billion, one hundred thirty million, twenty-two thousand, one hundred twenty-one".
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