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12654376121 = 131293329687
BaseRepresentation
bin10111100100100001…
…00111010010111001
31012122220102220122002
423302100213102321
5201404010013441
65451403110345
7625405264562
oct136220472271
935586386562
1012654376121
11540407a092
122551b123b5
1312688bb62a
148808bb169
154e0e2eb9b
hex2f24274b9

12654376121 has 8 divisors (see below), whose sum is σ = 12794531904. Its totient is φ = 12514880560.

The previous prime is 12654376087. The next prime is 12654376169. The reversal of 12654376121 is 12167345621.

12654376121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12654376121 - 214 = 12654359737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12654372121) 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, 126461 + ... + 203226.

It is an arithmetic number, because the mean of its divisors is an integer number (1599316488).

Almost surely, 212654376121 is an apocalyptic number.

It is an amenable number.

12654376121 is a deficient number, since it is larger than the sum of its proper divisors (140155783).

12654376121 is a wasteful number, since it uses less digits than its factorization.

12654376121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330111.

The product of its digits is 60480, while the sum is 38.

The spelling of 12654376121 in words is "twelve billion, six hundred fifty-four million, three hundred seventy-six thousand, one hundred twenty-one".

Divisors: 1 131 293 38383 329687 43188997 96598291 12654376121