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121061806 = 2193185837
BaseRepresentation
bin1110011011101…
…00000110101110
322102210120120121
413031310012232
5221442434211
620002435154
73000002605
oct715640656
9272716517
10121061806
1162377588
1234662aba
131c109308
1412114a3c
15a965271
hex73741ae

121061806 has 8 divisors (see below), whose sum is σ = 191150280. Its totient is φ = 57345048.

The previous prime is 121061803. The next prime is 121061821. The reversal of 121061806 is 608160121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121061803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592881 + ... + 1592956.

It is an arithmetic number, because the mean of its divisors is an integer number (23893785).

Almost surely, 2121061806 is an apocalyptic number.

121061806 is a deficient number, since it is larger than the sum of its proper divisors (70088474).

121061806 is a wasteful number, since it uses less digits than its factorization.

121061806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185858.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 121061806 is about 11002.8090049769. The cubic root of 121061806 is about 494.6929442824.

The spelling of 121061806 in words is "one hundred twenty-one million, sixty-one thousand, eight hundred six".

Divisors: 1 2 19 38 3185837 6371674 60530903 121061806