Base | Representation |
---|---|
bin | 101011110101001010111… |
… | …111000100010000101000 |
3 | 101122221120120001202001011 |
4 | 223311022333010100220 |
5 | 343322114202333000 |
6 | 10223412454433304 |
7 | 430416625412125 |
oct | 53651277042050 |
9 | 11587516052034 |
10 | 3012030121000 |
11 | a6143853073a |
12 | 407902962834 |
13 | 18b057cac7b4 |
14 | a5ad691574c |
15 | 5353a9642ba |
hex | 2bd4afc4428 |
3012030121000 has 128 divisors (see below), whose sum is σ = 7217611932960. Its totient is φ = 1176075264000.
The previous prime is 3012030120971. The next prime is 3012030121007. The reversal of 3012030121000 is 1210302103.
It can be written as a sum of positive squares in 16 ways, for example, as 67559446084 + 2944470674916 = 259922^2 + 1715946^2 .
It is a super-2 number, since 2×30120301210002 (a number of 26 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3012030121007) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10296760 + ... + 10585240.
Almost surely, 23012030121000 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 3012030121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3608805966480).
3012030121000 is an abundant number, since it is smaller than the sum of its proper divisors (4205581811960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3012030121000 is a wasteful number, since it uses less digits than its factorization.
3012030121000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288752 (or 288738 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 3012030121000 its reverse (1210302103), we get a palindrome (3013240423103).
The spelling of 3012030121000 in words is "three trillion, twelve billion, thirty million, one hundred twenty-one thousand".
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