Search a number
-
+
121313814 = 2320218969
BaseRepresentation
bin1110011101100…
…01101000010110
322110021101021020
413032301220112
5222024020224
620012102010
73002102406
oct716615026
9273241236
10121313814
1162529956
1234764906
131c196c2b
141217c806
15a9b4c79
hex73b1a16

121313814 has 8 divisors (see below), whose sum is σ = 242627640. Its totient is φ = 40437936.

The previous prime is 121313807. The next prime is 121313821. The reversal of 121313814 is 418313121.

It is an interprime number because it is at equal distance from previous prime (121313807) and next prime (121313821).

It is a sphenic number, since it is the product of 3 distinct primes.

121313814 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10109479 + ... + 10109490.

It is an arithmetic number, because the mean of its divisors is an integer number (30328455).

Almost surely, 2121313814 is an apocalyptic number.

121313814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121313814 is a wasteful number, since it uses less digits than its factorization.

121313814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20218974.

The product of its digits is 576, while the sum is 24.

The square root of 121313814 is about 11014.2550360885. The cubic root of 121313814 is about 495.0359651452.

Adding to 121313814 its reverse (418313121), we get a palindrome (539626935).

The spelling of 121313814 in words is "one hundred twenty-one million, three hundred thirteen thousand, eight hundred fourteen".

Divisors: 1 2 3 6 20218969 40437938 60656907 121313814