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120242420430 = 23511364370971
BaseRepresentation
bin110111111111100000…
…0011011101011001110
3102111100220022211210220
41233333000123223032
53432224024423210
6131123312212210
711454501465336
oct1577700335316
9374326284726
10120242420430
1146aa3791190
121b378b3a066
13b4534a4b02
145b6960c0c6
1531db3ddc70
hex1bff01bace

120242420430 has 32 divisors (see below), whose sum is σ = 314816519808. Its totient is φ = 29149677600.

The previous prime is 120242420423. The next prime is 120242420461. The reversal of 120242420430 is 34024242021.

It is a self number, because there is not a number n which added to its sum of digits gives 120242420430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182185156 + ... + 182185815.

It is an arithmetic number, because the mean of its divisors is an integer number (9838016244).

Almost surely, 2120242420430 is an apocalyptic number.

120242420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120242420430 is an abundant number, since it is smaller than the sum of its proper divisors (194574099378).

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

120242420430 is a wasteful number, since it uses less digits than its factorization.

120242420430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364370992.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 120242420430 its reverse (34024242021), we get a palindrome (154266662451).

The spelling of 120242420430 in words is "one hundred twenty billion, two hundred forty-two million, four hundred twenty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 364370971 728741942 1093112913 1821854855 2186225826 3643709710 4008080681 5465564565 8016161362 10931129130 12024242043 20040403405 24048484086 40080806810 60121210215 120242420430