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102222022128 = 2432129625461
BaseRepresentation
bin101111100110011101…
…0000100010111110000
3100202212000202202120120
41133030322010113300
53133322314202003
6114543220410240
710246104565062
oct1371472042760
9322760682516
10102222022128
113a396737226
1217989b46980
139840c81a35
144d3a1d1732
1529d4356853
hex17cce845f0

102222022128 has 20 divisors (see below), whose sum is σ = 264073557288. Its totient is φ = 34074007360.

The previous prime is 102222022121. The next prime is 102222022169. The reversal of 102222022128 is 821220222201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 102222022098 and 102222022107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222022121) 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 3 ways as a sum of consecutive naturals, for example, 1064812683 + ... + 1064812778.

Almost surely, 2102222022128 is an apocalyptic number.

It is an amenable number.

102222022128 is an abundant number, since it is smaller than the sum of its proper divisors (161851535160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222022128 is a wasteful number, since it uses less digits than its factorization.

102222022128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129625472 (or 2129625466 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 102222022128 its reverse (821220222201), we get a palindrome (923442244329).

The spelling of 102222022128 in words is "one hundred two billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2129625461 4259250922 6388876383 8518501844 12777752766 17037003688 25555505532 34074007376 51111011064 102222022128