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8125416920 = 235523138833
BaseRepresentation
bin1111001000101000…
…00000010111011000
3202222021101221120102
413210110000113120
5113120101320140
63422135514532
7405232622105
oct74424002730
922867357512
108125416920
11349a649aa5
1216a9228a48
139c651580a
145711d3aac
15328520e15
hex1e45005d8

8125416920 has 32 divisors (see below), whose sum is σ = 18286153920. Its totient is φ = 3249461760.

The previous prime is 8125416911. The next prime is 8125416983. The reversal of 8125416920 is 296145218.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189824 + ... + 228656.

It is an arithmetic number, because the mean of its divisors is an integer number (571442310).

Almost surely, 28125416920 is an apocalyptic number.

It is an amenable number.

8125416920 is an abundant number, since it is smaller than the sum of its proper divisors (10160737000).

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

8125416920 is a wasteful number, since it uses less digits than its factorization.

8125416920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44075 (or 44071 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 8125416920 is about 90141.0945129911. The cubic root of 8125416920 is about 2010.3972647778.

The spelling of 8125416920 in words is "eight billion, one hundred twenty-five million, four hundred sixteen thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5231 10462 20924 26155 38833 41848 52310 77666 104620 155332 194165 209240 310664 388330 776660 1553320 203135423 406270846 812541692 1015677115 1625083384 2031354230 4062708460 8125416920