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121893405327 = 3292914578807
BaseRepresentation
bin111000110000101101…
…0011100001010001111
3102122121221221120022200
41301201122130022033
53444114202432302
6131555210412543
711543426564361
oct1614132341217
9378557846280
10121893405327
1147770716611
121b759a31153
13b65754c355
145c849b4d31
15328630e81c
hex1c6169c28f

121893405327 has 12 divisors (see below), whose sum is σ = 176257788720. Its totient is φ = 81174791808.

The previous prime is 121893405313. The next prime is 121893405331. The reversal of 121893405327 is 723504398121.

It is a happy number.

121893405327 is a `hidden beast` number, since 1 + 2 + 1 + 89 + 34 + 0 + 532 + 7 = 666.

It is not a de Polignac number, because 121893405327 - 214 = 121893388943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121893405427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7281043 + ... + 7297764.

It is an arithmetic number, because the mean of its divisors is an integer number (14688149060).

Almost surely, 2121893405327 is an apocalyptic number.

121893405327 is a deficient number, since it is larger than the sum of its proper divisors (54364383393).

121893405327 is a wasteful number, since it uses less digits than its factorization.

121893405327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14579742 (or 14579739 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 121893405327 in words is "one hundred twenty-one billion, eight hundred ninety-three million, four hundred five thousand, three hundred twenty-seven".

Divisors: 1 3 9 929 2787 8361 14578807 43736421 131209263 13543711703 40631135109 121893405327