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121468920 = 23351012241
BaseRepresentation
bin1110011110101…
…11011111111000
322110120021000220
413033113133320
5222044001140
620015300040
73003316536
oct717273770
9273507026
10121468920
1162625441
123481a620
131c21c701
14121bd156
15a9e5bd0
hex73d77f8

121468920 has 32 divisors (see below), whose sum is σ = 364407120. Its totient is φ = 32391680.

The previous prime is 121468913. The next prime is 121468931. The reversal of 121468920 is 29864121.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 506001 + ... + 506240.

Almost surely, 2121468920 is an apocalyptic number.

121468920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121468920 is an abundant number, since it is smaller than the sum of its proper divisors (242938200).

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

121468920 is a wasteful number, since it uses less digits than its factorization.

121468920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012255 (or 1012251 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 121468920 is about 11021.2939349243. The cubic root of 121468920 is about 495.2468516755.

The spelling of 121468920 in words is "one hundred twenty-one million, four hundred sixty-eight thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1012241 2024482 3036723 4048964 5061205 6073446 8097928 10122410 12146892 15183615 20244820 24293784 30367230 40489640 60734460 121468920