Base | Representation |
---|---|
bin | 1001010000000010100100… |
… | …00101010101011010111111 |
3 | 2200000201010210210101200021 |
4 | 10220001102011111122333 |
5 | 10131242104103302111 |
6 | 111133050520313011 |
7 | 4166454130051663 |
oct | 450012205253277 |
9 | 80021123711607 |
10 | 20342342244031 |
11 | 6533158966a45 |
12 | 2346595312767 |
13 | b4737550b0c2 |
14 | 504808a748a3 |
15 | 25423e994d71 |
hex | 1280521556bf |
20342342244031 has 8 divisors (see below), whose sum is σ = 20600045772800. Its totient is φ = 20084643853560.
The previous prime is 20342342244023. The next prime is 20342342244043. The reversal of 20342342244031 is 13044224324302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20342342244031 - 23 = 20342342244023 is a prime.
It is a super-2 number, since 2×203423422440312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20342342244001) 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, 7021546 + ... + 9486136.
It is an arithmetic number, because the mean of its divisors is an integer number (2575005721600).
Almost surely, 220342342244031 is an apocalyptic number.
20342342244031 is a deficient number, since it is larger than the sum of its proper divisors (257703528769).
20342342244031 is a wasteful number, since it uses less digits than its factorization.
20342342244031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2569149.
The product of its (nonzero) digits is 110592, while the sum is 34.
Adding to 20342342244031 its reverse (13044224324302), we get a palindrome (33386566568333).
The spelling of 20342342244031 in words is "twenty trillion, three hundred forty-two billion, three hundred forty-two million, two hundred forty-four thousand, thirty-one".
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