Base | Representation |
---|---|
bin | 11101011001010001011… |
… | …000110110111010100000 |
3 | 21011002222021120012101112 |
4 | 131121101120312322200 |
5 | 231043430011200000 |
6 | 4143550352322452 |
7 | 265640325356351 |
oct | 35312130667240 |
9 | 7132867505345 |
10 | 2020000100000 |
11 | 70974a438a53 |
12 | 2875a5b43428 |
13 | 11863cc7567c |
14 | 6daa8b9dd28 |
15 | 37828c68235 |
hex | 1d651636ea0 |
2020000100000 has 144 divisors (see below), whose sum is σ = 4982686759512. Its totient is φ = 806064000000.
The previous prime is 2020000099979. The next prime is 2020000100009. The reversal of 2020000100000 is 10000202.
It can be written as a sum of positive squares in 12 ways, for example, as 1799171534224 + 220828565776 = 1341332^2 + 469924^2 .
It is a Harshad number since it is a multiple of its sum of digits (5).
It is not an unprimeable number, because it can be changed into a prime (2020000100009) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42076010 + ... + 42123990.
Almost surely, 22020000100000 is an apocalyptic number.
2020000100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2020000100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491343379756).
2020000100000 is an abundant number, since it is smaller than the sum of its proper divisors (2962686659512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020000100000 is an frugal number, since it uses more digits than its factorization.
2020000100000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48437 (or 48409 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 5.
Adding to 2020000100000 its reverse (10000202), we get a palindrome (2020010100202).
The spelling of 2020000100000 in words is "two trillion, twenty billion, one hundred thousand".
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