Base | Representation |
---|---|
bin | 1001100011110110110100… |
… | …01101110100011001011001 |
3 | 2202102210122010010010011201 |
4 | 10301323122031310121121 |
5 | 10223421034114032301 |
6 | 112413534453354201 |
7 | 4266610156026211 |
oct | 461733215643131 |
9 | 82383563103151 |
10 | 21023231002201 |
11 | 67759a190a7aa |
12 | 2436539638961 |
13 | b9663645bc0c |
14 | 52975bb25241 |
15 | 266ce0d3c201 |
hex | 131eda374659 |
21023231002201 has 8 divisors (see below), whose sum is σ = 21537104853600. Its totient is φ = 20509410108960.
The previous prime is 21023231002187. The next prime is 21023231002211. The reversal of 21023231002201 is 10220013232012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21023231002201 - 27 = 21023231002073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21023231002211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12435291 + ... + 14024368.
It is an arithmetic number, because the mean of its divisors is an integer number (2692138106700).
Almost surely, 221023231002201 is an apocalyptic number.
It is an amenable number.
21023231002201 is a deficient number, since it is larger than the sum of its proper divisors (513873851399).
21023231002201 is a wasteful number, since it uses less digits than its factorization.
21023231002201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26479079.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 21023231002201 its reverse (10220013232012), we get a palindrome (31243244234213).
The spelling of 21023231002201 in words is "twenty-one trillion, twenty-three billion, two hundred thirty-one million, two thousand, two hundred one".
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