Search a number
-
+
2154124341 = 3379782383
BaseRepresentation
bin1000000001100101…
…0101010000110101
312120010100212002000
42000121111100311
513402423434331
6553430205513
7104244516615
oct20031252065
95503325060
102154124341
11a05a46556
125014b3899
1328438b5b5
14166138a45
15c91a90e6
hex80655435

2154124341 has 8 divisors (see below), whose sum is σ = 3191295360. Its totient is φ = 1436082876.

The previous prime is 2154124331. The next prime is 2154124361. The reversal of 2154124341 is 1434214512.

2154124341 is a `hidden beast` number, since 215 + 4 + 12 + 434 + 1 = 666.

It is not a de Polignac number, because 2154124341 - 213 = 2154116149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79782383 = 2154124341 / (2 + 1 + 5 + 4 + 1 + 2 + 4 + 3 + 4 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154124331) 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, 39891165 + ... + 39891218.

It is an arithmetic number, because the mean of its divisors is an integer number (398911920).

Almost surely, 22154124341 is an apocalyptic number.

It is an amenable number.

2154124341 is a deficient number, since it is larger than the sum of its proper divisors (1037171019).

2154124341 is an equidigital number, since it uses as much as digits as its factorization.

2154124341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79782392 (or 79782386 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 2154124341 is about 46412.5450821219. The cubic root of 2154124341 is about 1291.4876455846.

Adding to 2154124341 its reverse (1434214512), we get a palindrome (3588338853).

The spelling of 2154124341 in words is "two billion, one hundred fifty-four million, one hundred twenty-four thousand, three hundred forty-one".

Divisors: 1 3 9 27 79782383 239347149 718041447 2154124341