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4138620884 = 226116961561
BaseRepresentation
bin1111011010101110…
…0101011111010100
3101200102112201112222
43312223211133110
531433441332014
61522401001512
7204362461046
oct36653453724
911612481488
104138620884
111834164142
12976023298
1350c5680c8
142b3919a96
1519350808e
hexf6ae57d4

4138620884 has 12 divisors (see below), whose sum is σ = 7361317908. Its totient is φ = 2035387200.

The previous prime is 4138620877. The next prime is 4138620917. The reversal of 4138620884 is 4880268314.

It can be written as a sum of positive squares in 2 ways, for example, as 1072562500 + 3066058384 = 32750^2 + 55372^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8480537 + ... + 8481024.

It is an arithmetic number, because the mean of its divisors is an integer number (613443159).

Almost surely, 24138620884 is an apocalyptic number.

It is an amenable number.

4138620884 is a deficient number, since it is larger than the sum of its proper divisors (3222697024).

4138620884 is a wasteful number, since it uses less digits than its factorization.

4138620884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16961626 (or 16961624 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 4138620884 is about 64332.1139400844. The cubic root of 4138620884 is about 1605.5304560306.

The spelling of 4138620884 in words is "four billion, one hundred thirty-eight million, six hundred twenty thousand, eight hundred eighty-four".

Divisors: 1 2 4 61 122 244 16961561 33923122 67846244 1034655221 2069310442 4138620884