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120220421441 = 3141611550611
BaseRepresentation
bin110111111110110110…
…0100000110101000001
3102111022100221011212112
41233331230200311001
53432202411441231
6131121204505105
711454113502341
oct1577554406501
9374270834775
10120220421441
1146a92325aaa
121b3716ab195
13b44ba71863
145b66722d21
1531d94e592b
hex1bfdb20d41

120220421441 has 16 divisors (see below), whose sum is σ = 129209396736. Its totient is φ = 111643920000.

The previous prime is 120220421401. The next prime is 120220421459. The reversal of 120220421441 is 144124022021.

It is a cyclic number.

It is not a de Polignac number, because 120220421441 - 214 = 120220405057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120220421401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697775 + ... + 852836.

It is an arithmetic number, because the mean of its divisors is an integer number (8075587296).

Almost surely, 2120220421441 is an apocalyptic number.

It is an amenable number.

120220421441 is a deficient number, since it is larger than the sum of its proper divisors (8988975295).

120220421441 is a wasteful number, since it uses less digits than its factorization.

120220421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550744.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 120220421441 its reverse (144124022021), we get a palindrome (264344443462).

The spelling of 120220421441 in words is "one hundred twenty billion, two hundred twenty million, four hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 31 41 61 1271 1891 2501 77531 1550611 48068941 63575051 94587271 1970826581 2932205401 3878078111 120220421441