Search a number
-
+
23042120003 = 72470247347
BaseRepresentation
bin10101011101011010…
…101101100101000011
32012110211210222100222
4111131122231211003
5334142240320003
614330240333255
71444001534300
oct253532554503
965424728328
1023042120003
119854748891
12457091422b
132232a18946
1411883340a7
158ecd7ec38
hex55d6ad943

23042120003 has 6 divisors (see below), whose sum is σ = 26804098836. Its totient is φ = 19750388532.

The previous prime is 23042119999. The next prime is 23042120011. The reversal of 23042120003 is 30002124032.

It is not a de Polignac number, because 23042120003 - 22 = 23042119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23042120033) 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 5 ways as a sum of consecutive naturals, for example, 235123625 + ... + 235123722.

It is an arithmetic number, because the mean of its divisors is an integer number (4467349806).

Almost surely, 223042120003 is an apocalyptic number.

23042120003 is a deficient number, since it is larger than the sum of its proper divisors (3761978833).

23042120003 is an equidigital number, since it uses as much as digits as its factorization.

23042120003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470247361 (or 470247354 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23042120003 its reverse (30002124032), we get a palindrome (53044244035).

The spelling of 23042120003 in words is "twenty-three billion, forty-two million, one hundred twenty thousand, three".

Divisors: 1 7 49 470247347 3291731429 23042120003