Base | Representation |
---|---|
bin | 1110101010011… |
… | …00000110000000 |
3 | 22120102210112001 |
4 | 13111030012000 |
5 | 222441320242 |
6 | 20112113344 |
7 | 3022304134 |
oct | 725140600 |
9 | 276383461 |
10 | 122995072 |
11 | 63478022 |
12 | 35235854 |
13 | 1c635265 |
14 | 124993c4 |
15 | abe7eb7 |
hex | 754c180 |
122995072 has 32 divisors (see below), whose sum is σ = 248404680. Its totient is φ = 60650496.
The previous prime is 122995057. The next prime is 122995129. The reversal of 122995072 is 270599221.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763 + ... + 15925.
Almost surely, 2122995072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122995072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124202340).
122995072 is an abundant number, since it is smaller than the sum of its proper divisors (125409608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122995072 is an equidigital number, since it uses as much as digits as its factorization.
122995072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13250 (or 13238 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 122995072 is about 11090.3143327861. The cubic root of 122995072 is about 497.3123415364.
It can be divided in two parts, 12299 and 5072, that added together give a palindrome (17371).
The spelling of 122995072 in words is "one hundred twenty-two million, nine hundred ninety-five thousand, seventy-two".
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