Search a number
-
+
23251131055 = 514159328429
BaseRepresentation
bin10101101001111000…
…000001101010101111
32020000102002211122001
4111221320001222233
5340104242143210
614403104233131
71452120232045
oct255170015257
966012084561
1023251131055
119951725999
12460a90b7a7
132267109619
1411a7dc0395
159113b903a
hex569e01aaf

23251131055 has 8 divisors (see below), whose sum is σ = 27903412800. Its totient is φ = 18599534496.

The previous prime is 23251131023. The next prime is 23251131077. The reversal of 23251131055 is 55013115232.

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

It is a cyclic number.

It is not a de Polignac number, because 23251131055 - 25 = 23251131023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93420 + ... + 235009.

It is an arithmetic number, because the mean of its divisors is an integer number (3487926600).

Almost surely, 223251131055 is an apocalyptic number.

23251131055 is a deficient number, since it is larger than the sum of its proper divisors (4652281745).

23251131055 is a wasteful number, since it uses less digits than its factorization.

23251131055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342593.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 23251131055 its reverse (55013115232), we get a palindrome (78264246287).

The spelling of 23251131055 in words is "twenty-three billion, two hundred fifty-one million, one hundred thirty-one thousand, fifty-five".

Divisors: 1 5 14159 70795 328429 1642145 4650226211 23251131055