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9187989316 = 2211243572
BaseRepresentation
bin10001000111010010…
…11001011101000100
3212201022211012212121
420203221121131010
5122304111124231
64115414255324
7443454422602
oct104351313504
925638735777
109187989316
113995420400
121945057544
13b356c078c
1463238c872
1538b962311
hex223a59744

9187989316 has 27 divisors (see below), whose sum is σ = 17677648317. Its totient is φ = 4175400240.

The previous prime is 9187989311. The next prime is 9187989319. The reversal of 9187989316 is 6139897819.

The square root of 9187989316 is 95854.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9179556100 + 8433216 = 95810^2 + 2904^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9187989311) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2106610 + ... + 2110966.

Almost surely, 29187989316 is an apocalyptic number.

9187989316 is the 95854-th square number.

It is an amenable number.

9187989316 is a deficient number, since it is larger than the sum of its proper divisors (8489659001).

9187989316 is an equidigital number, since it uses as much as digits as its factorization.

9187989316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740 (or 4370 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 61.

The cubic root of 9187989316 is about 2094.4668637293.

The spelling of 9187989316 in words is "nine billion, one hundred eighty-seven million, nine hundred eighty-nine thousand, three hundred sixteen".

Divisors: 1 2 4 11 22 44 121 242 484 4357 8714 17428 47927 95854 191708 527197 1054394 2108788 18983449 37966898 75933796 208817939 417635878 835271756 2296997329 4593994658 9187989316