Search a number
-
+
123202530313 = 10367312491423
BaseRepresentation
bin111001010111101110…
…0010110110000001001
3102210000012022000012021
41302233130112300021
54004304321432223
6132333133444441
711621034141322
oct1625734266011
9383005260167
10123202530313
1148282686595
121ba64340721
13b805830815
145d6a7cd449
15331120365d
hex1caf716c09

123202530313 has 16 divisors (see below), whose sum is σ = 124770880000. Its totient is φ = 121642020864.

The previous prime is 123202530263. The next prime is 123202530317. The reversal of 123202530313 is 313035202321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123202530313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123202530317) 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 15 ways as a sum of consecutive naturals, for example, 86578720 + ... + 86580142.

It is an arithmetic number, because the mean of its divisors is an integer number (7798180000).

Almost surely, 2123202530313 is an apocalyptic number.

It is an amenable number.

123202530313 is a deficient number, since it is larger than the sum of its proper divisors (1568349687).

123202530313 is a wasteful number, since it uses less digits than its factorization.

123202530313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 123202530313 its reverse (313035202321), we get a palindrome (436237732634).

The spelling of 123202530313 in words is "one hundred twenty-three billion, two hundred two million, five hundred thirty thousand, three hundred thirteen".

Divisors: 1 103 673 1249 1423 69319 128647 146569 840577 957679 1777327 86579431 98640937 183064681 1196141071 123202530313