Base | Representation |
---|---|
bin | 11101101011111010101… |
… | …10001000000001111101 |
3 | 10121111211021010222011111 |
4 | 32311331112020001331 |
5 | 113202440102414323 |
6 | 2100330342322021 |
7 | 133456542441043 |
oct | 16657526100175 |
9 | 3544737128144 |
10 | 1020010201213 |
11 | 363647192273 |
12 | 145827429311 |
13 | 75256b057a3 |
14 | 37523c26393 |
15 | 1b7ed349c0d |
hex | ed7d58807d |
1020010201213 has 4 divisors (see below), whose sum is σ = 1020144828060. Its totient is φ = 1019875574368.
The previous prime is 1020010201201. The next prime is 1020010201219. The reversal of 1020010201213 is 3121020100201.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 495331624804 + 524678576409 = 703798^2 + 724347^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020010201213 - 25 = 1020010201181 is a prime.
It is a super-3 number, since 3×10200102012133 (a number of 37 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1020010201193 and 1020010201202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020010201219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67302058 + ... + 67317211.
It is an arithmetic number, because the mean of its divisors is an integer number (255036207015).
Almost surely, 21020010201213 is an apocalyptic number.
It is an amenable number.
1020010201213 is a deficient number, since it is larger than the sum of its proper divisors (134626847).
1020010201213 is an equidigital number, since it uses as much as digits as its factorization.
1020010201213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134626846.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 1020010201213 its reverse (3121020100201), we get a palindrome (4141030301414).
The spelling of 1020010201213 in words is "one trillion, twenty billion, ten million, two hundred one thousand, two hundred thirteen".
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