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121340030 = 25711931453
BaseRepresentation
bin1110011101110…
…00000001111110
322110022201020012
413032320001332
5222030340110
620012423222
73002242010
oct716700176
9273281205
10121340030
1162547619
1234777b12
131c1a5b46
14121881b0
15a9bc905
hex73b807e

121340030 has 32 divisors (see below), whose sum is σ = 249994944. Its totient is φ = 41538816.

The previous prime is 121340027. The next prime is 121340053. The reversal of 121340030 is 30043121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121339987 and 121340014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82784 + ... + 84236.

It is an arithmetic number, because the mean of its divisors is an integer number (7812342).

Almost surely, 2121340030 is an apocalyptic number.

121340030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121340030 is an abundant number, since it is smaller than the sum of its proper divisors (128654914).

121340030 is a wasteful number, since it uses less digits than its factorization.

121340030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 121340030 is about 11015.4450659063. The cubic root of 121340030 is about 495.0716217829.

Adding to 121340030 its reverse (30043121), we get a palindrome (151383151).

The spelling of 121340030 in words is "one hundred twenty-one million, three hundred forty thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 1193 1453 2386 2906 5965 7265 8351 10171 11930 14530 16702 20342 41755 50855 83510 101710 1733429 3466858 8667145 12134003 17334290 24268006 60670015 121340030