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102222020112 = 2432129625419
BaseRepresentation
bin101111100110011101…
…0000011111000010000
3100202212000202122210220
41133030322003320100
53133322314120422
6114543220353040
710246104556152
oct1371472037020
9322760678726
10102222020112
113a396735763
1217989b45780
139840c80b44
144d3a1d0ad2
1529d4355e5c
hex17cce83e10

102222020112 has 20 divisors (see below), whose sum is σ = 264073552080. Its totient is φ = 34074006688.

The previous prime is 102222020093. The next prime is 102222020113. The reversal of 102222020112 is 211020222201.

It is a junction number, because it is equal to n+sod(n) for n = 102222020091 and 102222020100.

It is not an unprimeable number, because it can be changed into a prime (102222020113) 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, 1064812662 + ... + 1064812757.

It is an arithmetic number, because the mean of its divisors is an integer number (13203677604).

Almost surely, 2102222020112 is an apocalyptic number.

102222020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102222020112 is an abundant number, since it is smaller than the sum of its proper divisors (161851531968).

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

102222020112 is a wasteful number, since it uses less digits than its factorization.

102222020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129625430 (or 2129625424 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102222020112 its reverse (211020222201), we get a palindrome (313242242313).

The spelling of 102222020112 in words is "one hundred two billion, two hundred twenty-two million, twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 2129625419 4259250838 6388876257 8518501676 12777752514 17037003352 25555505028 34074006704 51111010056 102222020112