Base | Representation |
---|---|
bin | 1000011100011001010… |
… | …00000011101101000001 |
3 | 1000201212002221201202202 |
4 | 10032030220003231001 |
5 | 14223132230320001 |
6 | 341140311522545 |
7 | 26650332221360 |
oct | 4161450035501 |
9 | 1021762851682 |
10 | 290122120001 |
11 | 10204941190a |
12 | 48289389455 |
13 | 2148752b2bc |
14 | 100832cb7d7 |
15 | 78303c496b |
hex | 438ca03b41 |
290122120001 has 4 divisors (see below), whose sum is σ = 331568137152. Its totient is φ = 248676102852.
The previous prime is 290122119941. The next prime is 290122120019. The reversal of 290122120001 is 100021221092.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-290122120001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (290122120091) 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, 20723008565 + ... + 20723008578.
It is an arithmetic number, because the mean of its divisors is an integer number (82892034288).
Almost surely, 2290122120001 is an apocalyptic number.
It is an amenable number.
290122120001 is a deficient number, since it is larger than the sum of its proper divisors (41446017151).
290122120001 is an equidigital number, since it uses as much as digits as its factorization.
290122120001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41446017150.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 290122120001 its reverse (100021221092), we get a palindrome (390143341093).
The spelling of 290122120001 in words is "two hundred ninety billion, one hundred twenty-two million, one hundred twenty thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •