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5131200543 = 371039412521
BaseRepresentation
bin1001100011101011…
…11110100000011111
3111020121020222212120
410301311332200133
541002041404133
62205055234023
7241104325230
oct46165764037
914217228776
105131200543
1121a3479a07
12bb2518913
1363a0a7951
14369695087
15200720ab3
hex131d7e81f

5131200543 has 32 divisors (see below), whose sum is σ = 7906409472. Its totient is φ = 2899411200.

The previous prime is 5131200541. The next prime is 5131200551. The reversal of 5131200543 is 3450021315.

It is not a de Polignac number, because 5131200543 - 21 = 5131200541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131200541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2034123 + ... + 2036643.

It is an arithmetic number, because the mean of its divisors is an integer number (247075296).

Almost surely, 25131200543 is an apocalyptic number.

5131200543 is a deficient number, since it is larger than the sum of its proper divisors (2775208929).

5131200543 is a wasteful number, since it uses less digits than its factorization.

5131200543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 5131200543 is about 71632.3986963999. The cubic root of 5131200543 is about 1724.8036511653.

Adding to 5131200543 its reverse (3450021315), we get a palindrome (8581221858).

The spelling of 5131200543 in words is "five billion, one hundred thirty-one million, two hundred thousand, five hundred forty-three".

Divisors: 1 3 7 21 103 309 721 941 2163 2521 2823 6587 7563 17647 19761 52941 96923 259663 290769 678461 778989 1817641 2035383 2372261 5452923 7116783 16605827 49817481 244342883 733028649 1710400181 5131200543