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121431232014 = 2328017225469
BaseRepresentation
bin111000100010111011…
…1011000111000001110
3102121102202021201201120
41301011313120320032
53442142343411024
6131441300421410
711526115304331
oct1610567307016
9377382251646
10121431232014
11475538459a4
121b64b0a7866
13b5b287c811
145c3d468618
15325a969479
hex1c45dd8e0e

121431232014 has 16 divisors (see below), whose sum is σ = 242949203280. Its totient is φ = 40462620800.

The previous prime is 121431232007. The next prime is 121431232051. The reversal of 121431232014 is 410232134121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3595929 + ... + 3629540.

It is an arithmetic number, because the mean of its divisors is an integer number (15184325205).

Almost surely, 2121431232014 is an apocalyptic number.

121431232014 is an abundant number, since it is smaller than the sum of its proper divisors (121517971266).

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

121431232014 is a wasteful number, since it uses less digits than its factorization.

121431232014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228275.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121431232014 its reverse (410232134121), we get a palindrome (531663366135).

The spelling of 121431232014 in words is "one hundred twenty-one billion, four hundred thirty-one million, two hundred thirty-two thousand, fourteen".

Divisors: 1 2 3 6 2801 5602 8403 16806 7225469 14450938 21676407 43352814 20238538669 40477077338 60715616007 121431232014