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5131259481 = 317100612931
BaseRepresentation
bin1001100011101100…
…01100111001011001
3111020121100222201110
410301312030321121
541002100300411
62205100410533
7241104662115
oct46166147131
914217328643
105131259481
1121a350a217
12bb2546a49
1363a0c871a
143696ac745
152007332a6
hex131d8ce59

5131259481 has 8 divisors (see below), whose sum is σ = 7244131104. Its totient is φ = 3219613760.

The previous prime is 5131259473. The next prime is 5131259519. The reversal of 5131259481 is 1849521315.

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 5131259481 - 23 = 5131259473 is a prime.

It is a super-2 number, since 2×51312594812 = 52659647722704778722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5131259431) 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, 50306415 + ... + 50306516.

It is an arithmetic number, because the mean of its divisors is an integer number (905516388).

Almost surely, 25131259481 is an apocalyptic number.

5131259481 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5131259481 is a deficient number, since it is larger than the sum of its proper divisors (2112871623).

5131259481 is a wasteful number, since it uses less digits than its factorization.

5131259481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100612951.

The product of its digits is 43200, while the sum is 39.

The square root of 5131259481 is about 71632.8100872777. The cubic root of 5131259481 is about 1724.8102549538.

The spelling of 5131259481 in words is "five billion, one hundred thirty-one million, two hundred fifty-nine thousand, four hundred eighty-one".

Divisors: 1 3 17 51 100612931 301838793 1710419827 5131259481