Base | Representation |
---|---|
bin | 11101110100101110… |
… | …110111001111100111 |
3 | 10001122202022202220002 |
4 | 131310232313033213 |
5 | 1011040420304111 |
6 | 22413344331515 |
7 | 2212364551055 |
oct | 356456671747 |
9 | 101582282802 |
10 | 32023213031 |
11 | 126432a5a17 |
12 | 6258613b9b |
13 | 30345a9184 |
14 | 179b0271d5 |
15 | c7657463b |
hex | 774bb73e7 |
32023213031 has 4 divisors (see below), whose sum is σ = 32031126000. Its totient is φ = 32015300064.
The previous prime is 32023213003. The next prime is 32023213037. The reversal of 32023213031 is 13031232023.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13031232023 = 19 ⋅685854317.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-32023213031 is a prime.
It is a super-2 number, since 2×320232130312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32023212994 and 32023213012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32023213037) 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, 3950411 + ... + 3958508.
It is an arithmetic number, because the mean of its divisors is an integer number (8007781500).
Almost surely, 232023213031 is an apocalyptic number.
32023213031 is a deficient number, since it is larger than the sum of its proper divisors (7912969).
32023213031 is an equidigital number, since it uses as much as digits as its factorization.
32023213031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7912968.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 32023213031 its reverse (13031232023), we get a palindrome (45054445054).
The spelling of 32023213031 in words is "thirty-two billion, twenty-three million, two hundred thirteen thousand, thirty-one".
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