Base | Representation |
---|---|
bin | 1110101001000… |
… | …01000011110110 |
3 | 22120002211201200 |
4 | 13110201003312 |
5 | 222420200211 |
6 | 20104233330 |
7 | 3020641215 |
oct | 724410366 |
9 | 276084650 |
10 | 122818806 |
11 | 63367650 |
12 | 3516b846 |
13 | 1c5a2c66 |
14 | 1245107c |
15 | abb0b56 |
hex | 75210f6 |
122818806 has 24 divisors (see below), whose sum is σ = 290299464. Its totient is φ = 37217760.
The previous prime is 122818789. The next prime is 122818847. The reversal of 122818806 is 608818221.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
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, 309951 + ... + 310346.
It is an arithmetic number, because the mean of its divisors is an integer number (12095811).
Almost surely, 2122818806 is an apocalyptic number.
122818806 is an abundant number, since it is smaller than the sum of its proper divisors (167480658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122818806 is a wasteful number, since it uses less digits than its factorization.
122818806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 620316 (or 620313 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 122818806 is about 11082.3646393719. The cubic root of 122818806 is about 497.0746594776.
The spelling of 122818806 in words is "one hundred twenty-two million, eight hundred eighteen thousand, eight hundred six".
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