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5431243452054 = 237368473509521
BaseRepresentation
bin100111100001000111101…
…0101100010111010010110
3201020012222200202022022220
41033002033111202322112
51202441141310431204
615315025004203210
71100252163423510
oct117021725427226
921205880668286
105431243452054
111804417377912
12738740539506
13305219593a34
1414ac33194bb0
159642beb41d9
hex4f08f562e96

5431243452054 has 32 divisors (see below), whose sum is σ = 12414611198976. Its totient is φ = 1551741287040.

The previous prime is 5431243452007. The next prime is 5431243452059. The reversal of 5431243452054 is 4502543421345.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5431243451997 and 5431243452015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431243452059) 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, 207187 + ... + 3302334.

It is an arithmetic number, because the mean of its divisors is an integer number (387956599968).

Almost surely, 25431243452054 is an apocalyptic number.

5431243452054 is an abundant number, since it is smaller than the sum of its proper divisors (6983367746922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431243452054 is a wasteful number, since it uses less digits than its factorization.

5431243452054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546380.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 5431243452054 its reverse (4502543421345), we get a palindrome (9933786873399).

The spelling of 5431243452054 in words is "five trillion, four hundred thirty-one billion, two hundred forty-three million, four hundred fifty-two thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 42 36847 73694 110541 221082 257929 515858 773787 1547574 3509521 7019042 10528563 21057126 24566647 49133294 73699941 147399882 129315320287 258630640574 387945960861 775891921722 905207242009 1810414484018 2715621726027 5431243452054