Base | Representation |
---|---|
bin | 11101110101001101… |
… | …011000001001011011 |
3 | 10001200022101011120202 |
4 | 131311031120021123 |
5 | 1011044442241443 |
6 | 22414232012415 |
7 | 2212522545041 |
oct | 356515301133 |
9 | 101608334522 |
10 | 32031212123 |
11 | 12647869839 |
12 | 625b23110b |
13 | 303614a071 |
14 | 179c10a391 |
15 | c771047b8 |
hex | 77535825b |
32031212123 has 4 divisors (see below), whose sum is σ = 32031621048. Its totient is φ = 32030803200.
The previous prime is 32031212119. The next prime is 32031212137. The reversal of 32031212123 is 32121213023.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32121213023 = 17 ⋅1889483119.
It is a cyclic number.
It is not a de Polignac number, because 32031212123 - 22 = 32031212119 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32031212095 and 32031212104.
It is not an unprimeable number, because it can be changed into a prime (32031215123) 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 3 ways as a sum of consecutive naturals, for example, 46061 + ... + 257262.
It is an arithmetic number, because the mean of its divisors is an integer number (8007905262).
Almost surely, 232031212123 is an apocalyptic number.
32031212123 is a deficient number, since it is larger than the sum of its proper divisors (408925).
32031212123 is a wasteful number, since it uses less digits than its factorization.
32031212123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 408924.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 32031212123 its reverse (32121213023), we get a palindrome (64152425146).
The spelling of 32031212123 in words is "thirty-two billion, thirty-one million, two hundred twelve thousand, one hundred twenty-three".
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