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144442221442122 = 2333172730222277
BaseRepresentation
bin100000110101111010010011…
…010011001011010001001010
3200221102112121202121002201210
4200311322103103023101022
5122413020132142121442
61231111501313153550
742265414620366522
oct4065722323132112
9627375552532653
10144442221442122
114202966944862a
1214249a5385b8b6
136279ac61c7cc6
14279508001a682
1511a74188cc19c
hex835e934cb44a

144442221442122 has 16 divisors (see below), whose sum is σ = 289757205555552. Its totient is φ = 48001946702160.

The previous prime is 144442221442109. The next prime is 144442221442133. The reversal of 144442221442122 is 221244122244441.

It is a super-2 number, since 2×1444422214421222 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36365109153 + ... + 36365113124.

It is an arithmetic number, because the mean of its divisors is an integer number (18109825347222).

Almost surely, 2144442221442122 is an apocalyptic number.

144442221442122 is an abundant number, since it is smaller than the sum of its proper divisors (145314984113430).

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

144442221442122 is a wasteful number, since it uses less digits than its factorization.

144442221442122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72730222613.

The product of its digits is 262144, while the sum is 39.

Adding to 144442221442122 its reverse (221244122244441), we get a palindrome (365686343686563).

The spelling of 144442221442122 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred twenty-one million, four hundred forty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 331 662 993 1986 72730222277 145460444554 218190666831 436381333662 24073703573687 48147407147374 72221110721061 144442221442122