Base | Representation |
---|---|
bin | 1011111101111101… |
… | …1000011011111100 |
3 | 22021220012210100000 |
4 | 2333133120123330 |
5 | 23034421043222 |
6 | 1250442434300 |
7 | 142420166604 |
oct | 27737303374 |
9 | 8256183300 |
10 | 3212674812 |
11 | 13a9520156 |
12 | 757b02990 |
13 | 3c2788a19 |
14 | 226967c04 |
15 | 13c0a39ac |
hex | bf7d86fc |
3212674812 has 144 divisors (see below), whose sum is σ = 8990159360. Its totient is φ = 1000211328.
The previous prime is 3212674783. The next prime is 3212674819. The reversal of 3212674812 is 2184762123.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3212674819) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1346973 + ... + 1349355.
Almost surely, 23212674812 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 3212674812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4495079680).
3212674812 is an abundant number, since it is smaller than the sum of its proper divisors (5777484548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3212674812 is a wasteful number, since it uses less digits than its factorization.
3212674812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2494 (or 2480 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 3212674812 is about 56680.4623481496. The cubic root of 3212674812 is about 1475.5556366085. Note that the first 3 decimals are identical.
The spelling of 3212674812 in words is "three billion, two hundred twelve million, six hundred seventy-four thousand, eight hundred twelve".
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