Base | Representation |
---|---|
bin | 1001000101010101001… |
… | …11111001001111010100 |
3 | 1002211120210122101221111 |
4 | 10202222213321033110 |
5 | 20103140124330400 |
6 | 355213223024404 |
7 | 31356064120201 |
oct | 4425247711724 |
9 | 1084523571844 |
10 | 312100230100 |
11 | 1103a749726a |
12 | 505a189b104 |
13 | 2357a987889 |
14 | 1116a1b0ca8 |
15 | 81b9b2c3ba |
hex | 48aa9f93d4 |
312100230100 has 108 divisors (see below), whose sum is σ = 738336944800. Its totient is φ = 114190715520.
The previous prime is 312100230011. The next prime is 312100230103. The reversal of 312100230100 is 1032001213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312100230103) 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, 1500241 + ... + 1695559.
Almost surely, 2312100230100 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 312100230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369168472400).
312100230100 is an abundant number, since it is smaller than the sum of its proper divisors (426236714700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312100230100 is a wasteful number, since it uses less digits than its factorization.
312100230100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195410 (or 195374 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 312100230100 its reverse (1032001213), we get a palindrome (313132231313).
The spelling of 312100230100 in words is "three hundred twelve billion, one hundred million, two hundred thirty thousand, one hundred".
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