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20430410033131 = 747373166483943
BaseRepresentation
bin1001010010100110100110…
…10101010010011111101011
32200100010110101212121201221
410221103103111102133223
510134212434432030011
6111241333434522511
74206022414651420
oct451232325223753
980303411777657
1020430410033131
11656754093141a
12235b672b96437
13b5276bc2c407
14508ba10c1d47
1525669639e971
hex1294d35527eb

20430410033131 has 16 divisors (see below), whose sum is σ = 23909758101504. Its totient is φ = 17093239293024.

The previous prime is 20430410033029. The next prime is 20430410033161. The reversal of 20430410033131 is 13133001403402.

It is a cyclic number.

It is not a de Polignac number, because 20430410033131 - 213 = 20430410024939 is a prime.

It is a super-2 number, since 2×204304100331312 (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 = 20430410033096 and 20430410033105.

It is not an unprimeable number, because it can be changed into a prime (20430410033161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83119255 + ... + 83364688.

It is an arithmetic number, because the mean of its divisors is an integer number (1494359881344).

Almost surely, 220430410033131 is an apocalyptic number.

20430410033131 is a deficient number, since it is larger than the sum of its proper divisors (3479348068373).

20430410033131 is a wasteful number, since it uses less digits than its factorization.

20430410033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166484370.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20430410033131 its reverse (13133001403402), we get a palindrome (33563411436533).

The spelling of 20430410033131 in words is "twenty trillion, four hundred thirty billion, four hundred ten million, thirty-three thousand, one hundred thirty-one".

Divisors: 1 7 47 329 373 2611 17531 122717 166483943 1165387601 7824745321 54773217247 62098510739 434689575173 2918630004733 20430410033131