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121320466 = 2172431487
BaseRepresentation
bin1110011101100…
…11010000010010
322110021201101121
413032303100102
5222024223331
620012152454
73002130661
oct716632022
9273251347
10121320466
1162533953
123476872a
131c199c77
1412180dd8
15a9b6c11
hex73b3412

121320466 has 24 divisors (see below), whose sum is σ = 194161536. Its totient is φ = 56842560.

The previous prime is 121320403. The next prime is 121320481. The reversal of 121320466 is 664023121.

It is a self number, because there is not a number n which added to its sum of digits gives 121320466.

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 11 ways as a sum of consecutive naturals, for example, 248875 + ... + 249361.

It is an arithmetic number, because the mean of its divisors is an integer number (8090064).

Almost surely, 2121320466 is an apocalyptic number.

121320466 is a deficient number, since it is larger than the sum of its proper divisors (72841070).

121320466 is a wasteful number, since it uses less digits than its factorization.

121320466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 121320466 is about 11014.5570042558. The cubic root of 121320466 is about 495.0450130817.

Adding to 121320466 its reverse (664023121), we get a palindrome (785343587).

The spelling of 121320466 in words is "one hundred twenty-one million, three hundred twenty thousand, four hundred sixty-six".

Divisors: 1 2 17 34 289 431 487 578 862 974 7327 8279 14654 16558 124559 140743 209897 249118 281486 419794 3568249 7136498 60660233 121320466