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5287836971 = 19990128109
BaseRepresentation
bin1001110110010110…
…11111110100101011
3111122111222221122202
410323023133310223
541312141240341
62232412410415
7245015605214
oct47313376453
914574887582
105287836971
1122739341aa
121036a76a0b
1366368b421
143823ca40b
1520e36179b
hex13b2dfd2b

5287836971 has 8 divisors (see below), whose sum is σ = 5566904400. Its totient is φ = 5008845600.

The previous prime is 5287836949. The next prime is 5287836991. The reversal of 5287836971 is 1796387825.

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 5287836971 - 222 = 5283642667 is a prime.

It is a super-2 number, since 2×52878369712 = 55922439663748909682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5287836941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174065 + ... + 202173.

It is an arithmetic number, because the mean of its divisors is an integer number (695863050).

Almost surely, 25287836971 is an apocalyptic number.

5287836971 is a deficient number, since it is larger than the sum of its proper divisors (279067429).

5287836971 is a wasteful number, since it uses less digits than its factorization.

5287836971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38029.

The product of its digits is 5080320, while the sum is 56.

The square root of 5287836971 is about 72717.5148846549. The cubic root of 5287836971 is about 1742.1786435892.

The spelling of 5287836971 in words is "five billion, two hundred eighty-seven million, eight hundred thirty-six thousand, nine hundred seventy-one".

Divisors: 1 19 9901 28109 188119 534071 278307209 5287836971