Base | Representation |
---|---|
bin | 11101101100010010100… |
… | …01001011011111001001 |
3 | 10121112100012112112210001 |
4 | 32312021101023133021 |
5 | 113203342304344431 |
6 | 2100402245523001 |
7 | 133464521612005 |
oct | 16661121133711 |
9 | 3545305475701 |
10 | 1020210231241 |
11 | 36373a095843 |
12 | 145882413461 |
13 | 752893a0656 |
14 | 37542615705 |
15 | 1b810bace61 |
hex | ed8944b7c9 |
1020210231241 has 4 divisors (see below), whose sum is σ = 1047783480772. Its totient is φ = 992636981712.
The previous prime is 1020210231217. The next prime is 1020210231269. The reversal of 1020210231241 is 1421320120201.
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 511755667641 + 508454563600 = 715371^2 + 713060^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020210231241 - 29 = 1020210230729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1020210231941) 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, 13786624710 + ... + 13786624783.
It is an arithmetic number, because the mean of its divisors is an integer number (261945870193).
Almost surely, 21020210231241 is an apocalyptic number.
It is an amenable number.
1020210231241 is a deficient number, since it is larger than the sum of its proper divisors (27573249531).
1020210231241 is an equidigital number, since it uses as much as digits as its factorization.
1020210231241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27573249530.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 1020210231241 its reverse (1421320120201), we get a palindrome (2441530351442).
The spelling of 1020210231241 in words is "one trillion, twenty billion, two hundred ten million, two hundred thirty-one thousand, two hundred forty-one".
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