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1214860681841 is a prime number
BaseRepresentation
bin10001101011011011010…
…101101110001001110001
311022010202201200222002012
4101223123111232021301
5124401013313304331
62330033240332305
7153525244262042
oct21533325561161
94263681628065
101214860681841
11429246202334
12177546474095
138a73a304b81
1442b2a0448c9
152190468082b
hex11adb56e271

1214860681841 has 2 divisors, whose sum is σ = 1214860681842. Its totient is φ = 1214860681840.

The previous prime is 1214860681823. The next prime is 1214860681847. The reversal of 1214860681841 is 1481860684121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067907292816 + 146953389025 = 1033396^2 + 383345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214860681841 - 238 = 939982774897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214860681841.

It is not a weakly prime, because it can be changed into another prime (1214860681847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607430340920 + 607430340921.

It is an arithmetic number, because the mean of its divisors is an integer number (607430340921).

Almost surely, 21214860681841 is an apocalyptic number.

It is an amenable number.

1214860681841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214860681841 is an equidigital number, since it uses as much as digits as its factorization.

1214860681841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 50.

The spelling of 1214860681841 in words is "one trillion, two hundred fourteen billion, eight hundred sixty million, six hundred eighty-one thousand, eight hundred forty-one".