Search a number
-
+
121430060 = 2256071503
BaseRepresentation
bin1110011110011…
…10000000101100
322110111021201122
413033032000230
5222041230220
620014400112
73003065333
oct717160054
9273437648
10121430060
11625a9224
1234800038
131c207b0b
14121acd1a
15a9d9425
hex73ce02c

121430060 has 12 divisors (see below), whose sum is σ = 255003168. Its totient is φ = 48572016.

The previous prime is 121430059. The next prime is 121430081. The reversal of 121430060 is 60034121.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3035732 + ... + 3035771.

It is an arithmetic number, because the mean of its divisors is an integer number (21250264).

Almost surely, 2121430060 is an apocalyptic number.

121430060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121430060 is an abundant number, since it is smaller than the sum of its proper divisors (133573108).

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

121430060 is a wasteful number, since it uses less digits than its factorization.

121430060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071512 (or 6071510 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121430060 is about 11019.5308430078. The cubic root of 121430060 is about 495.1940333762.

Adding to 121430060 its reverse (60034121), we get a palindrome (181464181).

The spelling of 121430060 in words is "one hundred twenty-one million, four hundred thirty thousand, sixty".

Divisors: 1 2 4 5 10 20 6071503 12143006 24286012 30357515 60715030 121430060