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4020025133 = 15126622683
BaseRepresentation
bin1110111110011100…
…1011011100101101
3101101011101102202202
43233213023130231
531213111301013
61502523031245
7201422435615
oct35747133455
911334342682
104020025133
111783221423
1294236b525
134c0b133c7
142a1c87a45
15187dcd858
hexef9cb72d

4020025133 has 4 divisors (see below), whose sum is σ = 4046647968. Its totient is φ = 3993402300.

The previous prime is 4020025127. The next prime is 4020025147. The reversal of 4020025133 is 3315200204.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4020025133 - 24 = 4020025117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020021133) 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, 13311191 + ... + 13311492.

It is an arithmetic number, because the mean of its divisors is an integer number (1011661992).

Almost surely, 24020025133 is an apocalyptic number.

It is an amenable number.

4020025133 is a deficient number, since it is larger than the sum of its proper divisors (26622835).

4020025133 is a wasteful number, since it uses less digits than its factorization.

4020025133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26622834.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4020025133 is about 63403.6681352112. The cubic root of 4020025133 is about 1590.0456367846.

Adding to 4020025133 its reverse (3315200204), we get a palindrome (7335225337).

The spelling of 4020025133 in words is "four billion, twenty million, twenty-five thousand, one hundred thirty-three".

Divisors: 1 151 26622683 4020025133