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8987997898 = 2112953265807
BaseRepresentation
bin10000101111011100…
…11111011011001010
3212012101111121020001
420113232133123022
5121401411413043
64043511553214
7435505502335
oct102756373312
925171447201
108987997898
1138a2543940
1218aa08b80a
13b0313a369
146139ad61c
1537910a74d
hex217b9f6ca

8987997898 has 32 divisors (see below), whose sum is σ = 15501922560. Its totient is φ = 3870135360.

The previous prime is 8987997883. The next prime is 8987997923.

8987997898 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99090 + ... + 166717.

It is an arithmetic number, because the mean of its divisors is an integer number (484435080).

Almost surely, 28987997898 is an apocalyptic number.

8987997898 is a deficient number, since it is larger than the sum of its proper divisors (6513924662).

8987997898 is a wasteful number, since it uses less digits than its factorization.

8987997898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265902.

The product of its digits is 1316818944, while the sum is 82.

The square root of 8987997898 is about 94805.0520700242. The cubic root of 8987997898 is about 2079.1587680849.

The spelling of 8987997898 in words is "eight billion, nine hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred ninety-eight".

Divisors: 1 2 11 22 29 53 58 106 319 583 638 1166 1537 3074 16907 33814 265807 531614 2923877 5847754 7708403 14087771 15416806 28175542 84792433 154965481 169584866 309930962 408545359 817090718 4493998949 8987997898