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1220122007982 = 232371832015027
BaseRepresentation
bin10001110000010100111…
…100000101100110101110
311022122100101211000201100
4101300110330011212232
5124442302213223412
62332303305023530
7154102521643233
oct21602474054656
94278311730640
101220122007982
114304a6079559
12178574484ba6
138b0983404c7
14430a8acd78a
1521b11506edc
hex11c14f059ae

1220122007982 has 24 divisors (see below), whose sum is σ = 2715046271496. Its totient is φ = 395715245616.

The previous prime is 1220122007963. The next prime is 1220122007983. The reversal of 1220122007982 is 2897002210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220122007983) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 916006848 + ... + 916008179.

It is an arithmetic number, because the mean of its divisors is an integer number (113126927979).

Almost surely, 21220122007982 is an apocalyptic number.

1220122007982 is an abundant number, since it is smaller than the sum of its proper divisors (1494924263514).

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

1220122007982 is a wasteful number, since it uses less digits than its factorization.

1220122007982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832015072 (or 1832015069 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 1220122007982 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 1832015027 3664030054 5496045081 10992090162 16488135243 32976270486 67784555999 135569111998 203353667997 406707335994 610061003991 1220122007982