Base | Representation |
---|---|
bin | 11101101100010010100… |
… | …01001000101111100001 |
3 | 10121112100012111222100202 |
4 | 32312021101020233201 |
5 | 113203342304020001 |
6 | 2100402245354545 |
7 | 133464521534150 |
oct | 16661121105741 |
9 | 3545305458322 |
10 | 1020210220001 |
11 | 36373a088355 |
12 | 145882408a55 |
13 | 752893984bb |
14 | 37542611597 |
15 | 1b810ba996b |
hex | ed89448be1 |
1020210220001 has 16 divisors (see below), whose sum is σ = 1227810144000. Its totient is φ = 828771818688.
The previous prime is 1020210219991. The next prime is 1020210220009. The reversal of 1020210220001 is 1000220120201.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1020210220001 - 230 = 1019136478177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1020210220009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29049926 + ... + 29085023.
It is an arithmetic number, because the mean of its divisors is an integer number (76738134000).
Almost surely, 21020210220001 is an apocalyptic number.
It is an amenable number.
1020210220001 is a deficient number, since it is larger than the sum of its proper divisors (207599923999).
1020210220001 is a wasteful number, since it uses less digits than its factorization.
1020210220001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58135088.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 1020210220001 its reverse (1000220120201), we get a palindrome (2020430340202).
The spelling of 1020210220001 in words is "one trillion, twenty billion, two hundred ten million, two hundred twenty thousand, one".
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