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23523144005 = 54704628801
BaseRepresentation
bin10101111010000101…
…101011000101000101
32020201100221112020202
4111322011223011011
5341133411102010
614450102340245
71461632265524
oct257205530505
966640845222
1023523144005
119a81224289
124685a2a685
1322ab58872a
1411d218a4bb
1592a1ea6a5
hex57a16b145

23523144005 has 4 divisors (see below), whose sum is σ = 28227772812. Its totient is φ = 18818515200.

The previous prime is 23523143999. The next prime is 23523144031. The reversal of 23523144005 is 50044132532.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17964845089 + 5558298916 = 134033^2 + 74554^2 .

It is not a de Polignac number, because 23523144005 - 24 = 23523143989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352314396 + ... + 2352314405.

It is an arithmetic number, because the mean of its divisors is an integer number (7056943203).

Almost surely, 223523144005 is an apocalyptic number.

It is an amenable number.

23523144005 is a deficient number, since it is larger than the sum of its proper divisors (4704628807).

23523144005 is an equidigital number, since it uses as much as digits as its factorization.

23523144005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704628806.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 23523144005 its reverse (50044132532), we get a palindrome (73567276537).

The spelling of 23523144005 in words is "twenty-three billion, five hundred twenty-three million, one hundred forty-four thousand, five".

Divisors: 1 5 4704628801 23523144005