Base | Representation |
---|---|
bin | 1011101100110010011… |
… | …0010110111010101101 |
3 | 201012211010000222200002 |
4 | 2323030212112322231 |
5 | 11243122240244041 |
6 | 232201051114045 |
7 | 20343665120465 |
oct | 2731446267255 |
9 | 635733028602 |
10 | 201001103021 |
11 | 78275978774 |
12 | 32b56a42925 |
13 | 15c53854424 |
14 | 9a2b038ba5 |
15 | 53662c259b |
hex | 2ecc996ead |
201001103021 has 8 divisors (see below), whose sum is σ = 206874379584. Its totient is φ = 195212334240.
The previous prime is 201001102969. The next prime is 201001103029. The reversal of 201001103021 is 120301100102.
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 201001103021 - 210 = 201001101997 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 201001102993 and 201001103011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201001103029) 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, 21122120 + ... + 21131633.
It is an arithmetic number, because the mean of its divisors is an integer number (25859297448).
Almost surely, 2201001103021 is an apocalyptic number.
It is an amenable number.
201001103021 is a deficient number, since it is larger than the sum of its proper divisors (5873276563).
201001103021 is an equidigital number, since it uses as much as digits as its factorization.
201001103021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42253891.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 201001103021 its reverse (120301100102), we get a palindrome (321302203123).
The spelling of 201001103021 in words is "two hundred one billion, one million, one hundred three thousand, twenty-one".
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