Base | Representation |
---|---|
bin | 1001001001101000001101… |
… | …01111111001111101010101 |
3 | 2122020122111012211222202212 |
4 | 10210310012233321331111 |
5 | 10114134411430100341 |
6 | 110443534003443205 |
7 | 4144524533313164 |
oct | 444640657717525 |
9 | 78218435758685 |
10 | 20122035003221 |
11 | 64587861a71a8 |
12 | 230b950986505 |
13 | b2c665c7c808 |
14 | 4d7ca99713db |
15 | 24d6488155eb |
hex | 124d06bf9f55 |
20122035003221 has 4 divisors (see below), whose sum is σ = 20122810773600. Its totient is φ = 20121259232844.
The previous prime is 20122035003211. The next prime is 20122035003233. The reversal of 20122035003221 is 12230053022102.
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 not a de Polignac number, because 20122035003221 - 222 = 20122030808917 is a prime.
It is a super-2 number, since 2×201220350032212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122035003211) 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, 387846281 + ... + 387898158.
It is an arithmetic number, because the mean of its divisors is an integer number (5030702693400).
Almost surely, 220122035003221 is an apocalyptic number.
It is an amenable number.
20122035003221 is a deficient number, since it is larger than the sum of its proper divisors (775770379).
20122035003221 is an equidigital number, since it uses as much as digits as its factorization.
20122035003221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 775770378.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 20122035003221 its reverse (12230053022102), we get a palindrome (32352088025323).
The spelling of 20122035003221 in words is "twenty trillion, one hundred twenty-two billion, thirty-five million, three thousand, two hundred twenty-one".
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