Base | Representation |
---|---|
bin | 1011111011001101… |
… | …0011101011101001 |
3 | 22021002110210111002 |
4 | 2332303103223221 |
5 | 23023441333001 |
6 | 1245351044345 |
7 | 142220036201 |
oct | 27663235351 |
9 | 8232423432 |
10 | 3201121001 |
11 | 13a2a49651 |
12 | 7540706b5 |
13 | 3c0271b50 |
14 | 2251db401 |
15 | 13b07046b |
hex | becd3ae9 |
3201121001 has 16 divisors (see below), whose sum is σ = 3496147200. Its totient is φ = 2913176448.
The previous prime is 3201120991. The next prime is 3201121013. The reversal of 3201121001 is 1001211023.
It is not a de Polignac number, because 3201121001 - 222 = 3196926697 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3201121031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847445 + ... + 851213.
It is an arithmetic number, because the mean of its divisors is an integer number (218509200).
Almost surely, 23201121001 is an apocalyptic number.
It is an amenable number.
3201121001 is a deficient number, since it is larger than the sum of its proper divisors (295026199).
3201121001 is a wasteful number, since it uses less digits than its factorization.
3201121001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4688.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 3201121001 is about 56578.4499699311. The cubic root of 3201121001 is about 1473.7846544914.
Adding to 3201121001 its reverse (1001211023), we get a palindrome (4202332024).
The spelling of 3201121001 in words is "three billion, two hundred one million, one hundred twenty-one thousand, one".
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