Base | Representation |
---|---|
bin | 1011101000101011… |
… | …1010010101001100 |
3 | 22001200021022020022 |
4 | 2322022322111030 |
5 | 22344044010130 |
6 | 1233533441312 |
7 | 140254440110 |
oct | 27212722514 |
9 | 8050238208 |
10 | 3123422540 |
11 | 13630aa647 |
12 | 732040238 |
13 | 3aa139224 |
14 | 218b73740 |
15 | 1343237e5 |
hex | ba2ba54c |
3123422540 has 144 divisors (see below), whose sum is σ = 8258568192. Its totient is φ = 970054272.
The previous prime is 3123422507. The next prime is 3123422581. The reversal of 3123422540 is 452243213.
3123422540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1161077 + ... + 1163763.
It is an arithmetic number, because the mean of its divisors is an integer number (57351168).
Almost surely, 23123422540 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 3123422540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4129284096).
3123422540 is an abundant number, since it is smaller than the sum of its proper divisors (5135145652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3123422540 is a wasteful number, since it uses less digits than its factorization.
3123422540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2764 (or 2743 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 3123422540 is about 55887.5884253382. The cubic root of 3123422540 is about 1461.7628265809.
Adding to 3123422540 its reverse (452243213), we get a palindrome (3575665753).
The spelling of 3123422540 in words is "three billion, one hundred twenty-three million, four hundred twenty-two thousand, five hundred forty".
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