Base | Representation |
---|---|
bin | 1110100011100… |
… | …11101111111010 |
3 | 22111202202221200 |
4 | 13101303233322 |
5 | 222224441142 |
6 | 20041115030 |
7 | 3011623455 |
oct | 721635772 |
9 | 274682850 |
10 | 122108922 |
11 | 62a22271 |
12 | 34a88a76 |
13 | 1c3b4b00 |
14 | 1230849c |
15 | aac064c |
hex | 7473bfa |
122108922 has 72 divisors (see below), whose sum is σ = 289562364. Its totient is φ = 37170432.
The previous prime is 122108891. The next prime is 122108923. The reversal of 122108922 is 229801221.
122108922 = 4942 + 4952 + ... + 7862.
It can be written as a sum of positive squares in 6 ways, for example, as 52403121 + 69705801 = 7239^2 + 8349^2 .
It is not an unprimeable number, because it can be changed into a prime (122108923) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 416608 + ... + 416900.
Almost surely, 2122108922 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122108922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144781182).
122108922 is an abundant number, since it is smaller than the sum of its proper divisors (167453442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122108922 is a wasteful number, since it uses less digits than its factorization.
122108922 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464 (or 448 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 122108922 is about 11050.2905844145. The cubic root of 122108922 is about 496.1151229697.
The spelling of 122108922 in words is "one hundred twenty-two million, one hundred eight thousand, nine hundred twenty-two".
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