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121386427022 = 2740012167073
BaseRepresentation
bin111000100001100110…
…0011110001010001110
3102121022121222101211102
41301003030132022032
53442044411131042
6131433020223102
711525032414460
oct1610314361216
9377277871742
10121386427022
1147530523283
121b63809aa92
13b5a64c2ba3
145c37524130
153256a68b32
hex1c4331e28e

121386427022 has 16 divisors (see below), whose sum is σ = 208143123552. Its totient is φ = 52009728000.

The previous prime is 121386427021. The next prime is 121386427031. The reversal of 121386427022 is 220724683121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121386427021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027523 + ... + 1139550.

It is an arithmetic number, because the mean of its divisors is an integer number (13008945222).

Almost surely, 2121386427022 is an apocalyptic number.

121386427022 is a deficient number, since it is larger than the sum of its proper divisors (86756696530).

121386427022 is a wasteful number, since it uses less digits than its factorization.

121386427022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171083.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 121386427022 in words is "one hundred twenty-one billion, three hundred eighty-six million, four hundred twenty-seven thousand, twenty-two".

Divisors: 1 2 7 14 4001 8002 28007 56014 2167073 4334146 15169511 30339022 8670459073 17340918146 60693213511 121386427022