Base | Representation |
---|---|
bin | 1001010101111000010111… |
… | …01101011011001100101111 |
3 | 2200201220010201212101222012 |
4 | 10222330023231123030233 |
5 | 10143034103402042111 |
6 | 111405200241111435 |
7 | 4220120211451253 |
oct | 452741355331457 |
9 | 80656121771865 |
10 | 20543025034031 |
11 | 66002800923a5 |
12 | 237946162857b |
13 | b60278122116 |
14 | 5104056d0263 |
15 | 259587d3c48b |
hex | 12af0bb5b32f |
20543025034031 has 8 divisors (see below), whose sum is σ = 20832450352128. Its totient is φ = 20253602131000.
The previous prime is 20543025034009. The next prime is 20543025034033. The reversal of 20543025034031 is 13043052034502.
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 20543025034031 - 230 = 20541951292207 is a prime.
It is a super-2 number, since 2×205430250340312 (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 (20543025034033) 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, 22962026 + ... + 23839896.
It is an arithmetic number, because the mean of its divisors is an integer number (2604056294016).
Almost surely, 220543025034031 is an apocalyptic number.
20543025034031 is a deficient number, since it is larger than the sum of its proper divisors (289425318097).
20543025034031 is an equidigital number, since it uses as much as digits as its factorization.
20543025034031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1207533.
The product of its (nonzero) digits is 43200, while the sum is 32.
Adding to 20543025034031 its reverse (13043052034502), we get a palindrome (33586077068533).
The spelling of 20543025034031 in words is "twenty trillion, five hundred forty-three billion, twenty-five million, thirty-four thousand, thirty-one".
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