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8499999948 = 2231164393939
BaseRepresentation
bin1111110101010001…
…11011010011001100
3210221101020201212220
413322220323103030
5114401444444243
63523240255340
7420431543646
oct77250732314
923841221786
108499999948
113672034850
121792771550
13a55cc818b
145a8c5d896
1534b363783
hex1faa3b4cc

8499999948 has 24 divisors (see below), whose sum is σ = 21636363840. Its totient is φ = 2575757520.

The previous prime is 8499999941. The next prime is 8500000013.

8499999948 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8499999941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32196838 + ... + 32197101.

It is an arithmetic number, because the mean of its divisors is an integer number (901515160).

Almost surely, 28499999948 is an apocalyptic number.

It is an amenable number.

8499999948 is an abundant number, since it is smaller than the sum of its proper divisors (13136363892).

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

8499999948 is a wasteful number, since it uses less digits than its factorization.

8499999948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64393957 (or 64393955 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 78.

The square root of 8499999948 is about 92195.4442909193. Note that the first 3 decimals coincide. The cubic root of 8499999948 is about 2040.8275467970.

The spelling of 8499999948 in words is "eight billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 64393939 128787878 193181817 257575756 386363634 708333329 772727268 1416666658 2124999987 2833333316 4249999974 8499999948