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1220311104234 = 23916122201199
BaseRepresentation
bin10001110000100000001…
…101011011101011101010
311022122211120122010000020
4101300200031123223222
5124443144120313414
62332334142021310
7154110306145245
oct21604015335352
94278746563006
101220311104234
11430592894352
12178607877836
138b0c857a791
14430c5c7425c
1521b22e0a7a9
hex11c2035baea

1220311104234 has 16 divisors (see below), whose sum is σ = 2440888732800. Its totient is φ = 406725947360.

The previous prime is 1220311104217. The next prime is 1220311104269. The reversal of 1220311104234 is 4324011130221.

It is a super-2 number, since 2×12203111042342 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11045634 + ... + 11155565.

It is an arithmetic number, because the mean of its divisors is an integer number (152555545800).

Almost surely, 21220311104234 is an apocalyptic number.

1220311104234 is an abundant number, since it is smaller than the sum of its proper divisors (1220577628566).

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

1220311104234 is a wasteful number, since it uses less digits than its factorization.

1220311104234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22210365.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1220311104234 its reverse (4324011130221), we get a palindrome (5544322234455).

The spelling of 1220311104234 in words is "one trillion, two hundred twenty billion, three hundred eleven million, one hundred four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9161 18322 27483 54966 22201199 44402398 66603597 133207194 203385184039 406770368078 610155552117 1220311104234