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1220022055027 = 2774404411751
BaseRepresentation
bin10001110000001110111…
…110110011000001110011
311022122002102201220001001
4101300032332303001303
5124442101121230102
62332245334422431
7154100166235216
oct21601676630163
94278072656031
101220022055027
1143045470a406
12178546b01a17
138b080715249
144309971177d
1521b07861487
hex11c0efb3073

1220022055027 has 4 divisors (see below), whose sum is σ = 1224426467056. Its totient is φ = 1215617643000.

The previous prime is 1220022055019. The next prime is 1220022055037. The reversal of 1220022055027 is 7205502200221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1220022055027 - 23 = 1220022055019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220022054986 and 1220022055004.

It is not an unprimeable number, because it can be changed into a prime (1220022055037) 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, 2202205599 + ... + 2202206152.

It is an arithmetic number, because the mean of its divisors is an integer number (306106616764).

Almost surely, 21220022055027 is an apocalyptic number.

1220022055027 is a deficient number, since it is larger than the sum of its proper divisors (4404412029).

1220022055027 is an equidigital number, since it uses as much as digits as its factorization.

1220022055027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404412028.

The product of its (nonzero) digits is 5600, while the sum is 28.

Adding to 1220022055027 its reverse (7205502200221), we get a palindrome (8425524255248).

The spelling of 1220022055027 in words is "one trillion, two hundred twenty billion, twenty-two million, fifty-five thousand, twenty-seven".

Divisors: 1 277 4404411751 1220022055027