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121430630 = 2512143063
BaseRepresentation
bin1110011110011…
…10001001100110
322110111022111202
413033032021212
5222041240010
620014402502
73003100106
oct717161146
9273438452
10121430630
11625a96a2
1234800432
131c208159
14121ad206
15a9d96a5
hex73ce266

121430630 has 8 divisors (see below), whose sum is σ = 218575152. Its totient is φ = 48572248.

The previous prime is 121430611. The next prime is 121430641. The reversal of 121430630 is 36034121.

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

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, 6071522 + ... + 6071541.

It is an arithmetic number, because the mean of its divisors is an integer number (27321894).

Almost surely, 2121430630 is an apocalyptic number.

121430630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121430630 is a deficient number, since it is larger than the sum of its proper divisors (97144522).

121430630 is a wasteful number, since it uses less digits than its factorization.

121430630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143070.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 121430630 is about 11019.5567061475. The cubic root of 121430630 is about 495.1948081985.

Adding to 121430630 its reverse (36034121), we get a palindrome (157464751).

The spelling of 121430630 in words is "one hundred twenty-one million, four hundred thirty thousand, six hundred thirty".

Divisors: 1 2 5 10 12143063 24286126 60715315 121430630