Base | Representation |
---|---|
bin | 11101111011000110… |
… | …001110110001101111 |
3 | 10001221012021012212020 |
4 | 131323012032301233 |
5 | 1011300240031111 |
6 | 22432121241223 |
7 | 2215132340211 |
oct | 357306166157 |
9 | 101835235766 |
10 | 32130002031 |
11 | 12698604096 |
12 | 6288333213 |
13 | 3050758b2a |
14 | 17ab2a45b1 |
15 | c80b1a906 |
hex | 77b18ec6f |
32130002031 has 4 divisors (see below), whose sum is σ = 42840002712. Its totient is φ = 21420001352.
The previous prime is 32130002011. The next prime is 32130002033. The reversal of 32130002031 is 13020003123.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 32130002031 - 214 = 32129985647 is a prime.
It is a super-2 number, since 2×321300020312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 32130002031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32130002033) 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, 5355000336 + ... + 5355000341.
It is an arithmetic number, because the mean of its divisors is an integer number (10710000678).
Almost surely, 232130002031 is an apocalyptic number.
32130002031 is a deficient number, since it is larger than the sum of its proper divisors (10710000681).
32130002031 is a wasteful number, since it uses less digits than its factorization.
32130002031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10710000680.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 32130002031 its reverse (13020003123), we get a palindrome (45150005154).
The spelling of 32130002031 in words is "thirty-two billion, one hundred thirty million, two thousand, thirty-one".
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