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8472128898 = 231412021483
BaseRepresentation
bin1111110001111101…
…00110110110000010
3210212102210201222210
413320332212312002
5114322331111043
63520403042550
7416642623152
oct77076466602
923772721883
108472128898
113658328922
121785370456
13a502ba22c
145a5286762
15348baa633
hex1f8fa6d82

8472128898 has 8 divisors (see below), whose sum is σ = 16944257808. Its totient is φ = 2824042964.

The previous prime is 8472128897. The next prime is 8472128941. The reversal of 8472128898 is 8988212748.

It is a sphenic number, since it is the product of 3 distinct primes.

8472128898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (8472128893) 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 3 ways as a sum of consecutive naturals, for example, 706010736 + ... + 706010747.

It is an arithmetic number, because the mean of its divisors is an integer number (2118032226).

Almost surely, 28472128898 is an apocalyptic number.

8472128898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8472128898 is a wasteful number, since it uses less digits than its factorization.

8472128898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412021488.

The product of its digits is 4128768, while the sum is 57.

The square root of 8472128898 is about 92044.1681911461. The cubic root of 8472128898 is about 2038.5945158445.

The spelling of 8472128898 in words is "eight billion, four hundred seventy-two million, one hundred twenty-eight thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 1412021483 2824042966 4236064449 8472128898