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4808979887949 = 324113032465821
BaseRepresentation
bin100010111111010110110…
…0010011011011101001101
3122000201211002002000101100
41011332231202123131031
51112242242322403244
614121114224333313
71004303001412356
oct105765542333515
918021732060340
104808979887949
111594527860066
12658019774239
1328b63c302c73
14128a82162d2d
158515c804b69
hex45fad89b74d

4808979887949 has 12 divisors (see below), whose sum is σ = 7115726338812. Its totient is φ = 3127791796800.

The previous prime is 4808979887939. The next prime is 4808979887993. The reversal of 4808979887949 is 9497889798084.

4808979887949 is a `hidden beast` number, since 480 + 8 + 9 + 7 + 9 + 8 + 87 + 9 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 782195198724 + 4026784689225 = 884418^2 + 2006685^2 .

It is not a de Polignac number, because 4808979887949 - 27 = 4808979887821 is a prime.

It is a super-3 number, since 3×48089798879493 (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4808979887939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6516232542 + ... + 6516233279.

It is an arithmetic number, because the mean of its divisors is an integer number (592977194901).

Almost surely, 24808979887949 is an apocalyptic number.

It is an amenable number.

4808979887949 is a deficient number, since it is larger than the sum of its proper divisors (2306746450863).

4808979887949 is a wasteful number, since it uses less digits than its factorization.

4808979887949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032465868 (or 13032465865 counting only the distinct ones).

The product of its (nonzero) digits is 21069103104, while the sum is 90.

The spelling of 4808979887949 in words is "four trillion, eight hundred eight billion, nine hundred seventy-nine million, eight hundred eighty-seven thousand, nine hundred forty-nine".

Divisors: 1 3 9 41 123 369 13032465821 39097397463 117292192389 534331098661 1602993295983 4808979887949