Base | Representation |
---|---|
bin | 10110100101000100… |
… | …00111111000101010 |
3 | 1011021210212020101220 |
4 | 23102202013320222 |
5 | 144311224021041 |
6 | 5322510322510 |
7 | 606253052160 |
oct | 132242077052 |
9 | 34253766356 |
10 | 12122095146 |
11 | 5160674557 |
12 | 24237b9436 |
13 | 11b2543285 |
14 | 82dd21230 |
15 | 4ae33bd66 |
hex | 2d2887e2a |
12122095146 has 48 divisors (see below), whose sum is σ = 28309930176. Its totient is φ = 3389739264.
The previous prime is 12122095121. The next prime is 12122095169. The reversal of 12122095146 is 64159022121.
It is a super-2 number, since 2×121220951462 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27450 + ... + 158106.
It is an arithmetic number, because the mean of its divisors is an integer number (589790212).
Almost surely, 212122095146 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12122095146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14154965088).
12122095146 is an abundant number, since it is smaller than the sum of its proper divisors (16187835030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12122095146 is a wasteful number, since it uses less digits than its factorization.
12122095146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 130763 (or 130716 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The spelling of 12122095146 in words is "twelve billion, one hundred twenty-two million, ninety-five thousand, one hundred forty-six".
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