Base | Representation |
---|---|
bin | 1110101000101… |
… | …01001010111101 |
3 | 22120000100221002 |
4 | 13110111022331 |
5 | 222412120414 |
6 | 20103220045 |
7 | 3020346230 |
oct | 724251275 |
9 | 276010832 |
10 | 122770109 |
11 | 63334000 |
12 | 35147625 |
13 | 1c586a47 |
14 | 1243b417 |
15 | aba14de |
hex | 75152bd |
122770109 has 16 divisors (see below), whose sum is σ = 154340736. Its totient is φ = 95657760.
The previous prime is 122770103. The next prime is 122770121. The reversal of 122770109 is 901077221.
It is not a de Polignac number, because 122770109 - 216 = 122704573 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122770103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2729 + ... + 15905.
It is an arithmetic number, because the mean of its divisors is an integer number (9646296).
Almost surely, 2122770109 is an apocalyptic number.
It is an amenable number.
122770109 is a deficient number, since it is larger than the sum of its proper divisors (31570627).
122770109 is an equidigital number, since it uses as much as digits as its factorization.
122770109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13217 (or 13195 counting only the distinct ones).
The product of its (nonzero) digits is 1764, while the sum is 29.
The square root of 122770109 is about 11080.1673723821. The cubic root of 122770109 is about 497.0089549779.
The spelling of 122770109 in words is "one hundred twenty-two million, seven hundred seventy thousand, one hundred nine".
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