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1214726274121 = 1771454486713
BaseRepresentation
bin10001101011010011010…
…100111111110001001001
311022010102100210100100111
4101223103110333301021
5124400224411232441
62330012035434321
7153522022652563
oct21532324776111
94263370710314
101214726274121
1142918734a878
121775094559a1
138a718505089
1442b16258333
15218e7981081
hex11ad353fc49

1214726274121 has 4 divisors (see below), whose sum is σ = 1286180760852. Its totient is φ = 1143271787392.

The previous prime is 1214726274119. The next prime is 1214726274133.

1214726274121 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 588847508496 + 625878765625 = 767364^2 + 791125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214726274121 - 21 = 1214726274119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214726274101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35727243340 + ... + 35727243373.

It is an arithmetic number, because the mean of its divisors is an integer number (321545190213).

Almost surely, 21214726274121 is an apocalyptic number.

It is an amenable number.

1214726274121 is a deficient number, since it is larger than the sum of its proper divisors (71454486731).

1214726274121 is an equidigital number, since it uses as much as digits as its factorization.

1214726274121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71454486730.

The product of its digits is 75264, while the sum is 40.

The spelling of 1214726274121 in words is "one trillion, two hundred fourteen billion, seven hundred twenty-six million, two hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 17 71454486713 1214726274121