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121302330 = 2354043411
BaseRepresentation
bin1110011101011…
…10110100111010
322110020210111220
413032232310322
5222023133310
620011532510
73002024052
oct716566472
9273223456
10121302330
1162521266
123475a136
131c191936
1412178562
15a9b1670
hex73aed3a

121302330 has 16 divisors (see below), whose sum is σ = 291125664. Its totient is φ = 32347280.

The previous prime is 121302323. The next prime is 121302353. The reversal of 121302330 is 33203121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021676 + ... + 2021735.

It is an arithmetic number, because the mean of its divisors is an integer number (18195354).

Almost surely, 2121302330 is an apocalyptic number.

121302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302330 is an abundant number, since it is smaller than the sum of its proper divisors (169823334).

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

121302330 is a wasteful number, since it uses less digits than its factorization.

121302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043421.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 121302330 is about 11013.7336993410. The cubic root of 121302330 is about 495.0203440266.

Adding to 121302330 its reverse (33203121), we get a palindrome (154505451).

The spelling of 121302330 in words is "one hundred twenty-one million, three hundred two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4043411 8086822 12130233 20217055 24260466 40434110 60651165 121302330