Search a number
-
+
23024152205 = 517326617517
BaseRepresentation
bin10101011100010110…
…001010111010001101
32012102121000010011222
4111130112022322031
5334123140332310
614324355253125
71443363031115
oct253426127215
965377003158
1023024152205
11984559636a
1245668aa1a5
13222c097502
141185bb8045
158eb4d1055
hex55c58ae8d

23024152205 has 8 divisors (see below), whose sum is σ = 27788688792. Its totient is φ = 18312851008.

The previous prime is 23024152201. The next prime is 23024152219. The reversal of 23024152205 is 50225142032.

It can be written as a sum of positive squares in 4 ways, for example, as 5815435081 + 17208717124 = 76259^2 + 131182^2 .

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 23024152205 - 22 = 23024152201 is a prime.

It is a super-2 number, since 2×230241522052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23024152201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13307894 + ... + 13309623.

It is an arithmetic number, because the mean of its divisors is an integer number (3473586099).

Almost surely, 223024152205 is an apocalyptic number.

It is an amenable number.

23024152205 is a deficient number, since it is larger than the sum of its proper divisors (4764536587).

23024152205 is a wasteful number, since it uses less digits than its factorization.

23024152205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26617695.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 23024152205 its reverse (50225142032), we get a palindrome (73249294237).

The spelling of 23024152205 in words is "twenty-three billion, twenty-four million, one hundred fifty-two thousand, two hundred five".

Divisors: 1 5 173 865 26617517 133087585 4604830441 23024152205