Base | Representation |
---|---|
bin | 1110100111100… |
… | …00101111100111 |
3 | 22112201210020221 |
4 | 13103300233213 |
5 | 222342332103 |
6 | 20100105211 |
7 | 3016155226 |
oct | 723605747 |
9 | 275653227 |
10 | 122620903 |
11 | 63241999 |
12 | 35095207 |
13 | 1c533b62 |
14 | 123dccbd |
15 | ab721bd |
hex | 74f0be7 |
122620903 has 8 divisors (see below), whose sum is σ = 130942080. Its totient is φ = 114572640.
The previous prime is 122620879. The next prime is 122620931. The reversal of 122620903 is 309026221.
It is a happy number.
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 122620903 - 25 = 122620871 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122620943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67300 + ... + 69097.
It is an arithmetic number, because the mean of its divisors is an integer number (16367760).
Almost surely, 2122620903 is an apocalyptic number.
122620903 is a deficient number, since it is larger than the sum of its proper divisors (8321177).
122620903 is a wasteful number, since it uses less digits than its factorization.
122620903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136457.
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 122620903 is about 11073.4323043942. The cubic root of 122620903 is about 496.8075303244.
The spelling of 122620903 in words is "one hundred twenty-two million, six hundred twenty thousand, nine hundred three".
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