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121419073 = 361733569
BaseRepresentation
bin1110011110010…
…11010101000001
322110110201122201
413033023111001
5222040402243
620014233201
73003021316
oct717132501
9273421581
10121419073
11625a0a46
12347b5801
131c202b09
14121a8d0d
15a9d604d
hex73cb541

121419073 has 4 divisors (see below), whose sum is σ = 121456260. Its totient is φ = 121381888.

The previous prime is 121419061. The next prime is 121419079. The reversal of 121419073 is 370914121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370914121 = 1471252151.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 118222129 = 1788^2 + 10873^2 .

It is a cyclic number.

It is not a de Polignac number, because 121419073 - 25 = 121419041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121419079) 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, 13168 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (30364065).

Almost surely, 2121419073 is an apocalyptic number.

It is an amenable number.

121419073 is a deficient number, since it is larger than the sum of its proper divisors (37187).

121419073 is an equidigital number, since it uses as much as digits as its factorization.

121419073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37186.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 121419073 is about 11019.0323077846. The cubic root of 121419073 is about 495.1790978626.

The spelling of 121419073 in words is "one hundred twenty-one million, four hundred nineteen thousand, seventy-three".

Divisors: 1 3617 33569 121419073