Search a number
-
+
2145125354 = 21676422531
BaseRepresentation
bin111111111011100…
…0000001111101010
312112111102122210012
41333313000033222
513343123002404
6552505251522
7104105156531
oct17767001752
95474378705
102145125354
11a0095a479
124ba493ba2
1328255a558
14164c75318
15c84cca6e
hex7fdc03ea

2145125354 has 8 divisors (see below), whose sum is σ = 3236956128. Its totient is φ = 1066139980.

The previous prime is 2145125351. The next prime is 2145125387. The reversal of 2145125354 is 4535215412.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2145125354.

It is not an unprimeable number, because it can be changed into a prime (2145125351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3210932 + ... + 3211599.

It is an arithmetic number, because the mean of its divisors is an integer number (404619516).

Almost surely, 22145125354 is an apocalyptic number.

2145125354 is a deficient number, since it is larger than the sum of its proper divisors (1091830774).

2145125354 is a wasteful number, since it uses less digits than its factorization.

2145125354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422700.

The product of its digits is 24000, while the sum is 32.

The square root of 2145125354 is about 46315.4979893340. The cubic root of 2145125354 is about 1289.6867123758.

The spelling of 2145125354 in words is "two billion, one hundred forty-five million, one hundred twenty-five thousand, three hundred fifty-four".

Divisors: 1 2 167 334 6422531 12845062 1072562677 2145125354