Search a number
-
+
9810899136 = 2632232692753
BaseRepresentation
bin10010010001100011…
…00111000011000000
3221022201221022111200
421020301213003000
5130043042233021
64301305341200
7465060160323
oct111061470300
927281838450
109810899136
114184aa6805
121a99797800
13c0477b07c
14690dba7ba
153c64a8126
hex248c670c0

9810899136 has 168 divisors, whose sum is σ = 29463613920. Its totient is φ = 3115352064.

The previous prime is 9810899129. The next prime is 9810899173. The reversal of 9810899136 is 6319980189.

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, 3562336 + ... + 3565088.

Almost surely, 29810899136 is an apocalyptic number.

9810899136 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9810899136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14731806960).

9810899136 is an abundant number, since it is smaller than the sum of its proper divisors (19652714784).

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

9810899136 is a wasteful number, since it uses less digits than its factorization.

9810899136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The square root of 9810899136 is about 99049.9830186760. The cubic root of 9810899136 is about 2140.7679963980.

The spelling of 9810899136 in words is "nine billion, eight hundred ten million, eight hundred ninety-nine thousand, one hundred thirty-six".