Base | Representation |
---|---|
bin | 1001001001100101000010… |
… | …10011011001011001110111 |
3 | 2122020111002121021211211211 |
4 | 10210302201103121121313 |
5 | 10114122420223443111 |
6 | 110443053044342251 |
7 | 4144434415635142 |
oct | 444624123313167 |
9 | 78214077254754 |
10 | 20120333031031 |
11 | 6457a92507312 |
12 | 230b5569a4987 |
13 | b2c45449268c |
14 | 4d7b878d5059 |
15 | 24d5991c2521 |
hex | 124ca14d9677 |
20120333031031 has 8 divisors (see below), whose sum is σ = 20772692434944. Its totient is φ = 19468180902360.
The previous prime is 20120333031017. The next prime is 20120333031037. The reversal of 20120333031031 is 13013033302102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20120333031031 - 25 = 20120333030999 is a prime.
It is a super-2 number, since 2×201203330310312 (a number of 27 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 = 20120333030993 and 20120333031011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120333031037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51621511 + ... + 52009816.
It is an arithmetic number, because the mean of its divisors is an integer number (2596586554368).
Almost surely, 220120333031031 is an apocalyptic number.
20120333031031 is a deficient number, since it is larger than the sum of its proper divisors (652359403913).
20120333031031 is a wasteful number, since it uses less digits than its factorization.
20120333031031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103637621.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 20120333031031 its reverse (13013033302102), we get a palindrome (33133366333133).
The spelling of 20120333031031 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-three million, thirty-one thousand, thirty-one".
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