Search a number
-
+
121030663 = 1337251623
BaseRepresentation
bin1110011011011…
…00100000000111
322102201222212011
413031230200013
5221440440123
620002035051
72666513035
oct715544007
9272658764
10121030663
1162356146
1234648a87
131c0c80a0
1412107555
15a95ae0d
hex736c807

121030663 has 8 divisors (see below), whose sum is σ = 133863968. Its totient is φ = 108700704.

The previous prime is 121030661. The next prime is 121030673. The reversal of 121030663 is 366030121.

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 121030663 - 21 = 121030661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125331 + ... + 126292.

It is an arithmetic number, because the mean of its divisors is an integer number (16732996).

Almost surely, 2121030663 is an apocalyptic number.

121030663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121030663 is a deficient number, since it is larger than the sum of its proper divisors (12833305).

121030663 is a wasteful number, since it uses less digits than its factorization.

121030663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251673.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 121030663 is about 11001.3936844383. The cubic root of 121030663 is about 494.6505209282.

Adding to 121030663 its reverse (366030121), we get a palindrome (487060784).

The spelling of 121030663 in words is "one hundred twenty-one million, thirty thousand, six hundred sixty-three".

Divisors: 1 13 37 481 251623 3271099 9310051 121030663