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121443013214 = 260721506607
BaseRepresentation
bin111000100011010010…
…0010101001001011110
3102121110120110021111022
41301012210111021132
53442203402410324
6131442401124142
711526320403005
oct1610644251136
9377416407438
10121443013214
114755a462326
121b653029652
13b5b5146043
145c40c53c3c
15325b9e505e
hex1c4691525e

121443013214 has 4 divisors (see below), whose sum is σ = 182164519824. Its totient is φ = 60721506606.

The previous prime is 121443013201. The next prime is 121443013249. The reversal of 121443013214 is 412310344121.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30360753302 + ... + 30360753305.

It is an arithmetic number, because the mean of its divisors is an integer number (45541129956).

Almost surely, 2121443013214 is an apocalyptic number.

121443013214 is a deficient number, since it is larger than the sum of its proper divisors (60721506610).

121443013214 is an equidigital number, since it uses as much as digits as its factorization.

121443013214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721506609.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121443013214 its reverse (412310344121), we get a palindrome (533753357335).

The spelling of 121443013214 in words is "one hundred twenty-one billion, four hundred forty-three million, thirteen thousand, two hundred fourteen".

Divisors: 1 2 60721506607 121443013214