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5131200540 = 223585520009
BaseRepresentation
bin1001100011101011…
…11110100000011100
3111020121020222212110
410301311332200130
541002041404130
62205055234020
7241104325224
oct46165764034
914217228773
105131200540
1121a3479a04
12bb2518910
1363a0a794b
14369695084
15200720ab0
hex131d7e81c

5131200540 has 24 divisors (see below), whose sum is σ = 14367361680. Its totient is φ = 1368320128.

The previous prime is 5131200539. The next prime is 5131200541. The reversal of 5131200540 is 450021315.

It is an interprime number because it is at equal distance from previous prime (5131200539) and next prime (5131200541).

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42759945 + ... + 42760064.

It is an arithmetic number, because the mean of its divisors is an integer number (598640070).

Almost surely, 25131200540 is an apocalyptic number.

It is an amenable number.

5131200540 is an abundant number, since it is smaller than the sum of its proper divisors (9236161140).

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

5131200540 is a wasteful number, since it uses less digits than its factorization.

5131200540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85520021 (or 85520019 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 5131200540 is about 71632.3986754597. The cubic root of 5131200540 is about 1724.8036508292.

Adding to 5131200540 its reverse (450021315), we get a palindrome (5581221855).

The spelling of 5131200540 in words is "five billion, one hundred thirty-one million, two hundred thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 85520009 171040018 256560027 342080036 427600045 513120054 855200090 1026240108 1282800135 1710400180 2565600270 5131200540