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121093806 = 2320182301
BaseRepresentation
bin1110011011110…
…11111010101110
322102212012110210
413031323322232
5222000000211
620003243250
73000165111
oct715737256
9272765423
10121093806
1162399629
1234679526
131c11aa52
1412122578
15a96e9a6
hex737beae

121093806 has 8 divisors (see below), whose sum is σ = 242187624. Its totient is φ = 40364600.

The previous prime is 121093769. The next prime is 121093811. The reversal of 121093806 is 608390121.

It is a sphenic number, since it is the product of 3 distinct primes.

121093806 is an admirable number.

It is a super-3 number, since 3×1210938063 (a number of 25 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 10091145 + ... + 10091156.

It is an arithmetic number, because the mean of its divisors is an integer number (30273453).

Almost surely, 2121093806 is an apocalyptic number.

121093806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121093806 is a wasteful number, since it uses less digits than its factorization.

121093806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182306.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 121093806 is about 11004.2630830056. The cubic root of 121093806 is about 494.7365274739.

The spelling of 121093806 in words is "one hundred twenty-one million, ninety-three thousand, eight hundred six".

Divisors: 1 2 3 6 20182301 40364602 60546903 121093806