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5312331647 = 731375411223
BaseRepresentation
bin1001111001010001…
…11011111101111111
3111201020002102000222
410330220323331333
541334424103042
62235045411555
7245434034240
oct47450737577
914636072028
105312331647
112286744437
121043109bbb
1366878660c
14385764cc7
1521159e2d2
hex13ca3bf7f

5312331647 has 32 divisors (see below), whose sum is σ = 6453633024. Its totient is φ = 4276022400.

The previous prime is 5312331637. The next prime is 5312331653. The reversal of 5312331647 is 7461332135.

It is a cyclic number.

It is not a de Polignac number, because 5312331647 - 212 = 5312327551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312331617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4343078 + ... + 4344300.

It is an arithmetic number, because the mean of its divisors is an integer number (201676032).

Almost surely, 25312331647 is an apocalyptic number.

5312331647 is a deficient number, since it is larger than the sum of its proper divisors (1141301377).

5312331647 is a wasteful number, since it uses less digits than its factorization.

5312331647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 45360, while the sum is 35.

The square root of 5312331647 is about 72885.7437843643. The cubic root of 5312331647 is about 1744.8645797653.

The spelling of 5312331647 in words is "five billion, three hundred twelve million, three hundred thirty-one thousand, six hundred forty-seven".

Divisors: 1 7 31 37 217 259 541 1147 1223 3787 8029 8561 16771 20017 37913 45251 117397 140119 265391 316757 620527 661643 1402781 4343689 4631501 9819467 20510933 24480791 143576531 171365537 758904521 5312331647