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4020025141 = 11365456831
BaseRepresentation
bin1110111110011100…
…1011011100110101
3101101011101102210001
43233213023130311
531213111301031
61502523031301
7201422435626
oct35747133465
911334342701
104020025141
111783221430
1294236b531
134c0b13402
142a1c87a4d
15187dcd861
hexef9cb735

4020025141 has 4 divisors (see below), whose sum is σ = 4385481984. Its totient is φ = 3654568300.

The previous prime is 4020025127. The next prime is 4020025147. The reversal of 4020025141 is 1415200204.

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 4020025141 - 215 = 4019992373 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 (4020025147) 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, 182728405 + ... + 182728426.

It is an arithmetic number, because the mean of its divisors is an integer number (1096370496).

Almost surely, 24020025141 is an apocalyptic number.

It is an amenable number.

4020025141 is a deficient number, since it is larger than the sum of its proper divisors (365456843).

4020025141 is a wasteful number, since it uses less digits than its factorization.

4020025141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365456842.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4020025141 is about 63403.6681982991. The cubic root of 4020025141 is about 1590.0456378393.

Adding to 4020025141 its reverse (1415200204), we get a palindrome (5435225345).

It can be divided in two parts, 40200 and 25141, that added together give a triangular number (65341 = T361).

The spelling of 4020025141 in words is "four billion, twenty million, twenty-five thousand, one hundred forty-one".

Divisors: 1 11 365456831 4020025141