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121502330 = 25233117041
BaseRepresentation
bin1110011110111…
…11101001111010
322110121221212022
413033133221322
5222101033310
620020114442
73003516125
oct717375172
9273557768
10121502330
1162648554
1234835a22
131c231991
14121cb3bc
15aa00a55
hex73dfa7a

121502330 has 32 divisors (see below), whose sum is σ = 235588608. Its totient is φ = 44985600.

The previous prime is 121502327. The next prime is 121502357. The reversal of 121502330 is 33205121.

It is a junction number, because it is equal to n+sod(n) for n = 121502299 and 121502308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391 + ... + 15650.

It is an arithmetic number, because the mean of its divisors is an integer number (7362144).

Almost surely, 2121502330 is an apocalyptic number.

121502330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121502330 is a deficient number, since it is larger than the sum of its proper divisors (114086278).

121502330 is a wasteful number, since it uses less digits than its factorization.

121502330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17102.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 121502330 is about 11022.8095329639. The cubic root of 121502330 is about 495.2922533594.

Adding to 121502330 its reverse (33205121), we get a palindrome (154707451).

The spelling of 121502330 in words is "one hundred twenty-one million, five hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 230 310 713 1426 3565 7130 17041 34082 85205 170410 391943 528271 783886 1056542 1959715 2641355 3919430 5282710 12150233 24300466 60751165 121502330