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24045453989 = 187112851659
BaseRepresentation
bin10110011001001110…
…001000001010100101
32022001202202121211222
4112121032020022211
5343221114011424
615014001310125
71510603662254
oct263116101245
968052677758
1024045453989
11a21a039527
1247b0935345
1323628524ab
1412416ac79b
1595aebde5e
hex5993882a5

24045453989 has 4 divisors (see below), whose sum is σ = 24058307520. Its totient is φ = 24032600460.

The previous prime is 24045453979. The next prime is 24045454051. The reversal of 24045453989 is 98935454042.

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 a de Polignac number, because none of the positive numbers 2k-24045453989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24045453989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24045453979) 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, 6423959 + ... + 6427700.

It is an arithmetic number, because the mean of its divisors is an integer number (6014576880).

Almost surely, 224045453989 is an apocalyptic number.

It is an amenable number.

24045453989 is a deficient number, since it is larger than the sum of its proper divisors (12853531).

24045453989 is a wasteful number, since it uses less digits than its factorization.

24045453989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853530.

The product of its (nonzero) digits is 6220800, while the sum is 53.

Adding to 24045453989 its sum of digits (53), we get a palindrome (24045454042).

The spelling of 24045453989 in words is "twenty-four billion, forty-five million, four hundred fifty-three thousand, nine hundred eighty-nine".

Divisors: 1 1871 12851659 24045453989