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245242130323 = 325775296939
BaseRepresentation
bin1110010001100110010…
…0011110111110010011
3212110000100100000220211
43210121210132332103
513004223441132243
6304355045544551
723501220466411
oct3443144367623
9773010300824
10245242130323
1195008875353
123b643115157
131a1844489a8
14bc2697c2b1
1565a528ed9d
hex391991ef93

245242130323 has 4 divisors (see below), whose sum is σ = 245317430520. Its totient is φ = 245166830128.

The previous prime is 245242130303. The next prime is 245242130363. The reversal of 245242130323 is 323031242542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245242130323 - 217 = 245241999251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245242130303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37645213 + ... + 37651726.

It is an arithmetic number, because the mean of its divisors is an integer number (61329357630).

Almost surely, 2245242130323 is an apocalyptic number.

245242130323 is a deficient number, since it is larger than the sum of its proper divisors (75300197).

245242130323 is an equidigital number, since it uses as much as digits as its factorization.

245242130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75300196.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 245242130323 its reverse (323031242542), we get a palindrome (568273372865).

The spelling of 245242130323 in words is "two hundred forty-five billion, two hundred forty-two million, one hundred thirty thousand, three hundred twenty-three".

Divisors: 1 3257 75296939 245242130323