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121413361 = 4715591657
BaseRepresentation
bin1110011110010…
…01111011110001
322110110102211011
413033021323301
5222040211421
620014150521
73002665546
oct717117361
9273412734
10121413361
1162597723
12347b2441
131c200334
14121a6bcd
15a9d44e1
hex73c9ef1

121413361 has 8 divisors (see below), whose sum is σ = 124151040. Its totient is φ = 118682208.

The previous prime is 121413359. The next prime is 121413379. The reversal of 121413361 is 163314121.

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 121413361 - 21 = 121413359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121413311) 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, 72445 + ... + 74101.

It is an arithmetic number, because the mean of its divisors is an integer number (15518880).

Almost surely, 2121413361 is an apocalyptic number.

It is an amenable number.

121413361 is a deficient number, since it is larger than the sum of its proper divisors (2737679).

121413361 is a wasteful number, since it uses less digits than its factorization.

121413361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its digits is 432, while the sum is 22.

The square root of 121413361 is about 11018.7731168220. The cubic root of 121413361 is about 495.1713327252.

Adding to 121413361 its reverse (163314121), we get a palindrome (284727482).

The spelling of 121413361 in words is "one hundred twenty-one million, four hundred thirteen thousand, three hundred sixty-one".

Divisors: 1 47 1559 1657 73273 77879 2583263 121413361