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121680096 = 2531267501
BaseRepresentation
bin1110100000010…
…11000011100000
322110221222201020
413100023003200
5222122230341
620024005440
73005156316
oct720130340
9273858636
10121680096
116275a06a
1234900880
131c294875
14122360b6
15aa38566
hex740b0e0

121680096 has 24 divisors (see below), whose sum is σ = 319410504. Its totient is φ = 40560000.

The previous prime is 121680089. The next prime is 121680109. The reversal of 121680096 is 690086121.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633655 + ... + 633846.

It is an arithmetic number, because the mean of its divisors is an integer number (13308771).

Almost surely, 2121680096 is an apocalyptic number.

121680096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121680096 is an abundant number, since it is smaller than the sum of its proper divisors (197730408).

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

121680096 is a wasteful number, since it uses less digits than its factorization.

121680096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267514 (or 1267506 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 121680096 is about 11030.8701379356. The cubic root of 121680096 is about 495.5336841711.

The spelling of 121680096 in words is "one hundred twenty-one million, six hundred eighty thousand, ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1267501 2535002 3802503 5070004 7605006 10140008 15210012 20280016 30420024 40560032 60840048 121680096