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4120484639 = 18307225077
BaseRepresentation
bin1111010110011001…
…1001101100011111
3101122011102022022012
43311212121230133
531414321002024
61520512141435
7204052353515
oct36546315437
911564368265
104120484639
1118249a7107
1296bb3787b
135088880bb
142b13584b5
15191b2450e
hexf5999b1f

4120484639 has 4 divisors (see below), whose sum is σ = 4120728024. Its totient is φ = 4120241256.

The previous prime is 4120484617. The next prime is 4120484651. The reversal of 4120484639 is 9364840214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9364840214 = 24682420107.

It is a cyclic number.

It is not a de Polignac number, because 4120484639 - 216 = 4120419103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4120484596 and 4120484605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120484659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94232 + ... + 130845.

It is an arithmetic number, because the mean of its divisors is an integer number (1030182006).

Almost surely, 24120484639 is an apocalyptic number.

4120484639 is a deficient number, since it is larger than the sum of its proper divisors (243385).

4120484639 is a wasteful number, since it uses less digits than its factorization.

4120484639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243384.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 4120484639 is about 64191.0012307021. The cubic root of 4120484639 is about 1603.1817725445.

The spelling of 4120484639 in words is "four billion, one hundred twenty million, four hundred eighty-four thousand, six hundred thirty-nine".

Divisors: 1 18307 225077 4120484639