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102222222323 = 1320813778591
BaseRepresentation
bin101111100110011101…
…0110101001111110011
3100202212001010221012012
41133030322311033303
53133322342103243
6114543224553135
710246106360534
oct1371472651763
9322761127165
10102222222323
113a396863681
121798a0227ab
139841021bb0
144d3a24468b
1529d4395d18
hex17cceb53f3

102222222323 has 8 divisors (see below), whose sum is σ = 110138399616. Its totient is φ = 94313606400.

The previous prime is 102222222313. The next prime is 102222222331. The reversal of 102222222323 is 323222222201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102222222323 - 24 = 102222222307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222222313) 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, 1862243 + ... + 1916348.

It is an arithmetic number, because the mean of its divisors is an integer number (13767299952).

Almost surely, 2102222222323 is an apocalyptic number.

102222222323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102222222323 is a deficient number, since it is larger than the sum of its proper divisors (7916177293).

102222222323 is a wasteful number, since it uses less digits than its factorization.

102222222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780685.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 102222222323 its reverse (323222222201), we get a palindrome (425444444524).

The spelling of 102222222323 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-three".

Divisors: 1 13 2081 27053 3778591 49121683 7863247871 102222222323