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121047278083 = 10917910515903
BaseRepresentation
bin111000010111011111…
…0101110001000000011
3102120102222210211221121
41300232332232020003
53440401100344313
6131335223133111
711513443613164
oct1605676561003
9376388724847
10121047278083
114737703a6a6
121b5625a4197
13b551168a44
145c0447d76b
153236dc528d
hex1c2efae203

121047278083 has 16 divisors (see below), whose sum is σ = 122977958400. Its totient is φ = 119133050400.

The previous prime is 121047278081. The next prime is 121047278089. The reversal of 121047278083 is 380872740121.

It is a cyclic number.

It is not a de Polignac number, because 121047278083 - 21 = 121047278081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121047278081) 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 15 ways as a sum of consecutive naturals, for example, 20503110 + ... + 20509012.

It is an arithmetic number, because the mean of its divisors is an integer number (7686122400).

Almost surely, 2121047278083 is an apocalyptic number.

121047278083 is a deficient number, since it is larger than the sum of its proper divisors (1930680317).

121047278083 is a wasteful number, since it uses less digits than its factorization.

121047278083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 121047278083 in words is "one hundred twenty-one billion, forty-seven million, two hundred seventy-eight thousand, eighty-three".

Divisors: 1 109 179 1051 5903 19511 114559 188129 643427 1056637 6204053 20506061 115173433 676241777 1110525487 121047278083