Base | Representation |
---|---|
bin | 1001001011111011010010… |
… | …11111101010001101000100 |
3 | 2122112012022111111100022122 |
4 | 10211331221133222031010 |
5 | 10121433122240200400 |
6 | 110544113425145112 |
7 | 4153321432131032 |
oct | 445755137521504 |
9 | 78465274440278 |
10 | 20201001100100 |
11 | 6489218533597 |
12 | 232310a48b198 |
13 | b36c3bb36a22 |
14 | 4dba3b295552 |
15 | 25071b157685 |
hex | 125f697ea344 |
20201001100100 has 36 divisors (see below), whose sum is σ = 44288091711444. Its totient is φ = 7997097338880.
The previous prime is 20201001100081. The next prime is 20201001100117. The reversal of 20201001100100 is 100110010202.
It can be written as a sum of positive squares in 6 ways, for example, as 806648274496 + 19394352825604 = 898136^2 + 4403902^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1041279017 + ... + 1041298416.
Almost surely, 220201001100100 is an apocalyptic number.
20201001100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20201001100100 is an abundant number, since it is smaller than the sum of its proper divisors (24087090611344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201001100100 is a wasteful number, since it uses less digits than its factorization.
20201001100100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2082577544 (or 2082577537 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 20201001100100 its reverse (100110010202), we get a palindrome (20301111110302).
The spelling of 20201001100100 in words is "twenty trillion, two hundred one billion, one million, one hundred thousand, one hundred".
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