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2145413333 = 7306487619
BaseRepresentation
bin111111111100000…
…0110100011010101
312112111222021211002
41333320012203111
513343211211313
6552515353045
7104110466240
oct17770064325
95474867732
102145413333
11a01036878
124ba5b2785
1328262b65b
14164d0c257
15c8538058
hex7fe068d5

2145413333 has 4 divisors (see below), whose sum is σ = 2451900960. Its totient is φ = 1838925708.

The previous prime is 2145413327. The next prime is 2145413351. The reversal of 2145413333 is 3333145412.

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 2145413333 - 24 = 2145413317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2145413296 and 2145413305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145413323) 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, 153243803 + ... + 153243816.

It is an arithmetic number, because the mean of its divisors is an integer number (612975240).

Almost surely, 22145413333 is an apocalyptic number.

It is an amenable number.

2145413333 is a deficient number, since it is larger than the sum of its proper divisors (306487627).

2145413333 is an equidigital number, since it uses as much as digits as its factorization.

2145413333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306487626.

The product of its digits is 12960, while the sum is 29.

The square root of 2145413333 is about 46318.6067687706. The cubic root of 2145413333 is about 1289.7444224563.

Adding to 2145413333 its reverse (3333145412), we get a palindrome (5478558745).

The spelling of 2145413333 in words is "two billion, one hundred forty-five million, four hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 7 306487619 2145413333