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120206030122 = 2792957257287
BaseRepresentation
bin110111111110011010…
…1100111010100101010
3102111021100212000200201
41233330311213110222
53432140220430442
6131115532222414
711453550253213
oct1577465472452
9374240760621
10120206030122
1146a85196652
121b36890aa0a
13b448aa3299
145b6485840a
1531d81017b7
hex1bfcd6752a

120206030122 has 16 divisors (see below), whose sum is σ = 182653896960. Its totient is φ = 59321918448.

The previous prime is 120206030089. The next prime is 120206030137. The reversal of 120206030122 is 221030602021.

It is a self number, because there is not a number n which added to its sum of digits gives 120206030122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338563 + ... + 595849.

It is an arithmetic number, because the mean of its divisors is an integer number (11415868560).

Almost surely, 2120206030122 is an apocalyptic number.

120206030122 is a deficient number, since it is larger than the sum of its proper divisors (62447866838).

120206030122 is a wasteful number, since it uses less digits than its factorization.

120206030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260325.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120206030122 its reverse (221030602021), we get a palindrome (341236632143).

The spelling of 120206030122 in words is "one hundred twenty billion, two hundred six million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 79 158 2957 5914 233603 257287 467206 514574 20325673 40651346 760797659 1521595318 60103015061 120206030122