Base | Representation |
---|---|
bin | 1110100111100… |
… | …11000000111101 |
3 | 22112202021000110 |
4 | 13103303000331 |
5 | 222343131310 |
6 | 20100220233 |
7 | 3016224315 |
oct | 723630075 |
9 | 275667013 |
10 | 122630205 |
11 | 63248985 |
12 | 3509a679 |
13 | 1c538169 |
14 | 12402445 |
15 | ab74d20 |
hex | 74f303d |
122630205 has 8 divisors (see below), whose sum is σ = 196208352. Its totient is φ = 65402768.
The previous prime is 122630177. The next prime is 122630219. The reversal of 122630205 is 502036221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122630205 - 29 = 122629693 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4087659 + ... + 4087688.
It is an arithmetic number, because the mean of its divisors is an integer number (24526044).
Almost surely, 2122630205 is an apocalyptic number.
122630205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122630205 is a deficient number, since it is larger than the sum of its proper divisors (73578147).
122630205 is an equidigital number, since it uses as much as digits as its factorization.
122630205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8175355.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 122630205 is about 11073.8523107363. The cubic root of 122630205 is about 496.8200925838.
Adding to 122630205 its reverse (502036221), we get a palindrome (624666426).
The spelling of 122630205 in words is "one hundred twenty-two million, six hundred thirty thousand, two hundred five".
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