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142303302323 = 7213239712873
BaseRepresentation
bin1000010010000111110…
…0000001001010110011
3111121022100202202112122
42010201330001022303
54312414121133243
6145212341344455
713165260053300
oct2044174011263
9447270682478
10142303302323
1155394560286
12236b510812b
131055ab22290
146c5d4ba0a7
153a7d046668
hex2121f012b3

142303302323 has 24 divisors (see below), whose sum is σ = 186020962848. Its totient is φ = 107696324736.

The previous prime is 142303302319. The next prime is 142303302391. The reversal of 142303302323 is 323203303241.

It is not a de Polignac number, because 142303302323 - 22 = 142303302319 is a prime.

It is a super-2 number, since 2×1423033023232 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142303302292 and 142303302301.

It is not an unprimeable number, because it can be changed into a prime (142303302023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4841786 + ... + 4871087.

It is an arithmetic number, because the mean of its divisors is an integer number (7750873452).

Almost surely, 2142303302323 is an apocalyptic number.

142303302323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142303302323 is a deficient number, since it is larger than the sum of its proper divisors (43717660525).

142303302323 is a wasteful number, since it uses less digits than its factorization.

142303302323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9712923 (or 9712916 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 142303302323 its reverse (323203303241), we get a palindrome (465506605564).

The spelling of 142303302323 in words is "one hundred forty-two billion, three hundred three million, three hundred two thousand, three hundred twenty-three".

Divisors: 1 7 13 23 49 91 161 299 637 1127 2093 14651 9712873 67990111 126267349 223396079 475930777 883871443 1563772553 2904149027 6187100101 10946407871 20329043189 142303302323