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8499669948 = 223272111014337
BaseRepresentation
bin1111110101001111…
…01010101110111100
3210221100121222012200
413322213222232330
5114401403414243
63523225231500
7420426000600
oct77247525674
923840558180
108499669948
113671929920
121792632590
13a55c10c03
145a8bb5500
1534b2eaad3
hex1fa9eabbc

8499669948 has 216 divisors, whose sum is σ = 27541476144. Its totient is φ = 2185344000.

The previous prime is 8499669947. The next prime is 8499669953.

It is a happy number.

8499669948 is a `hidden beast` number, since 8 + 499 + 6 + 6 + 99 + 48 = 666.

8499669948 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499669947) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1957636 + ... + 1961972.

It is an arithmetic number, because the mean of its divisors is an integer number (127506834).

Almost surely, 28499669948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8499669948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13770738072).

8499669948 is an abundant number, since it is smaller than the sum of its proper divisors (19041806196).

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

8499669948 is a wasteful number, since it uses less digits than its factorization.

8499669948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4461 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 8499669948 is about 92193.6545972661. The cubic root of 8499669948 is about 2040.8011357456.

The spelling of 8499669948 in words is "eight billion, four hundred ninety-nine million, six hundred sixty-nine thousand, nine hundred forty-eight".