Search a number
-
+
9899309914 = 213509748021
BaseRepresentation
bin10010011100000101…
…10111101101011010
3221112220022001021221
421032002313231122
5130233210404124
64314144322254
7500212513564
oct111602675532
927486261257
109899309914
11421a9a206a
121b0331338a
13c19b94840
1469ca32334
153ce11dce4
hex24e0b7b5a

9899309914 has 16 divisors (see below), whose sum is σ = 16022631240. Its totient is φ = 4559929920.

The previous prime is 9899309911. The next prime is 9899309921. The reversal of 9899309914 is 4199039989.

9899309914 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9188181025 + 711128889 = 95855^2 + 26667^2 .

It is not an unprimeable number, because it can be changed into a prime (9899309911) 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, 360777 + ... + 387244.

Almost surely, 29899309914 is an apocalyptic number.

9899309914 is a deficient number, since it is larger than the sum of its proper divisors (6123321326).

9899309914 is a wasteful number, since it uses less digits than its factorization.

9899309914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748545.

The product of its (nonzero) digits is 5668704, while the sum is 61.

The square root of 9899309914 is about 99495.2758375994. The cubic root of 9899309914 is about 2147.1792765200.

The spelling of 9899309914 in words is "nine billion, eight hundred ninety-nine million, three hundred nine thousand, nine hundred fourteen".

Divisors: 1 2 13 26 509 1018 6617 13234 748021 1496042 9724273 19448546 380742689 761485378 4949654957 9899309914