Search a number
-
+
23220883453 = 199311651221
BaseRepresentation
bin10101101000000100…
…101000111111111101
32012221022012002201111
4111220010220333331
5340024021232303
614400104042021
71451302152445
oct255004507775
965838162644
1023220883453
119936646479
124600763311
132260a78a31
1411a3d89125
1590d8e1b6d
hex568128ffd

23220883453 has 4 divisors (see below), whose sum is σ = 23232536668. Its totient is φ = 23209230240.

The previous prime is 23220883429. The next prime is 23220883463. The reversal of 23220883453 is 35438802232.

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 14956800804 + 8264082649 = 122298^2 + 90907^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220883453 - 217 = 23220752381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220883463) 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, 5823618 + ... + 5827603.

It is an arithmetic number, because the mean of its divisors is an integer number (5808134167).

Almost surely, 223220883453 is an apocalyptic number.

It is an amenable number.

23220883453 is a deficient number, since it is larger than the sum of its proper divisors (11653215).

23220883453 is a wasteful number, since it uses less digits than its factorization.

23220883453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11653214.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 23220883453 in words is "twenty-three billion, two hundred twenty million, eight hundred eighty-three thousand, four hundred fifty-three".

Divisors: 1 1993 11651221 23220883453