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5187590538 = 231328815807
BaseRepresentation
bin1001101010011010…
…00101100110001010
3111101112100220101220
410311031011212022
541111010344123
62214432022510
7242360535444
oct46515054612
914345326356
105187590538
112222294609
121009391a36
1364898c700
14372d73494
1520565dce3
hex13534598a

5187590538 has 48 divisors (see below), whose sum is σ = 11249352576. Its totient is φ = 1594095360.

The previous prime is 5187590509. The next prime is 5187590543. The reversal of 5187590538 is 8350957815.

It is a super-2 number, since 2×51875905382 = 53822191179894258888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890431 + ... + 896237.

It is an arithmetic number, because the mean of its divisors is an integer number (234361512).

Almost surely, 25187590538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5187590538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5624676288).

5187590538 is an abundant number, since it is smaller than the sum of its proper divisors (6061762038).

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

5187590538 is a wasteful number, since it uses less digits than its factorization.

5187590538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719 (or 6706 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 51.

The square root of 5187590538 is about 72024.9299756688. The cubic root of 5187590538 is about 1731.0989640589.

The spelling of 5187590538 in words is "five billion, one hundred eighty-seven million, five hundred ninety thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 881 1014 1762 2643 5286 5807 11453 11614 17421 22906 34359 34842 68718 75491 148889 150982 226473 297778 446667 452946 893334 981383 1962766 2944149 5115967 5888298 10231934 15347901 30695802 66507571 133015142 199522713 399045426 864598423 1729196846 2593795269 5187590538