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4988250121 = 106116932777
BaseRepresentation
bin1001010010101001…
…01010100000001001
3110212122021100202111
410221110222200021
540203443000441
62142551302321
7234420266161
oct45124524011
913778240674
104988250121
11212a812168
12b7267a9a1
136165a66ba
143546c35a1
151e2dd5081
hex12952a809

4988250121 has 8 divisors (see below), whose sum is σ = 4997699784. Its totient is φ = 4978811520.

The previous prime is 4988250103. The next prime is 4988250149. The reversal of 4988250121 is 1210528894.

It can be written as a sum of positive squares in 4 ways, for example, as 244484496 + 4743765625 = 15636^2 + 68875^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4988250121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4988250151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794885 + ... + 1797661.

It is an arithmetic number, because the mean of its divisors is an integer number (624712473).

Almost surely, 24988250121 is an apocalyptic number.

It is an amenable number.

4988250121 is a deficient number, since it is larger than the sum of its proper divisors (9449663).

4988250121 is a wasteful number, since it uses less digits than its factorization.

4988250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5531.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 4988250121 is about 70627.5450585676. The cubic root of 4988250121 is about 1708.6354287017.

The spelling of 4988250121 in words is "four billion, nine hundred eighty-eight million, two hundred fifty thousand, one hundred twenty-one".

Divisors: 1 1061 1693 2777 1796273 2946397 4701461 4988250121