Search a number
-
+
23300015005 = 55687381937
BaseRepresentation
bin10101101100110010…
…100000001110011101
32020010211002101210201
4111230302200032131
5340204300440010
614412012103501
71453252600621
oct255462401635
966124071721
1023300015005
119977284153
124623164b91
132274293a37
1411b06a7181
1591582323a
hex56cca039d

23300015005 has 8 divisors (see below), whose sum is σ = 27960850872. Its totient is φ = 18639456768.

The previous prime is 23300015003. The next prime is 23300015027. The reversal of 23300015005 is 50051000332.

It can be written as a sum of positive squares in 4 ways, for example, as 1033108164 + 22266906841 = 32142^2 + 149221^2 .

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 23300015005 - 21 = 23300015003 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 (23300015003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243397 + ... + 325333.

It is an arithmetic number, because the mean of its divisors is an integer number (3495106359).

Almost surely, 223300015005 is an apocalyptic number.

It is an amenable number.

23300015005 is a deficient number, since it is larger than the sum of its proper divisors (4660835867).

23300015005 is an equidigital number, since it uses as much as digits as its factorization.

23300015005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138815.

The product of its (nonzero) digits is 450, while the sum is 19.

Adding to 23300015005 its reverse (50051000332), we get a palindrome (73351015337).

The spelling of 23300015005 in words is "twenty-three billion, three hundred million, fifteen thousand, five".

Divisors: 1 5 56873 81937 284365 409685 4660003001 23300015005