Base | Representation |
---|---|
bin | 10010101111011000… |
… | …011111101011100001 |
3 | 1220221100122220200221 |
4 | 102233120133223201 |
5 | 312202302200301 |
6 | 13124414443041 |
7 | 1311435520000 |
oct | 225730375341 |
9 | 56840586627 |
10 | 20122303201 |
11 | 8596574250 |
12 | 3a96b03481 |
13 | 1b88b29cb0 |
14 | d8c640c37 |
15 | 7cb878da1 |
hex | 4af61fae1 |
20122303201 has 80 divisors (see below), whose sum is σ = 27895271040. Its totient is φ = 14307874560.
The previous prime is 20122303199. The next prime is 20122303211. The reversal of 20122303201 is 10230322102.
It is not a de Polignac number, because 20122303201 - 21 = 20122303199 is a prime.
It is a super-2 number, since 2×201223032012 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20122303211) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 35364045 + ... + 35364613.
It is an arithmetic number, because the mean of its divisors is an integer number (348690888).
Almost surely, 220122303201 is an apocalyptic number.
It is an amenable number.
20122303201 is a deficient number, since it is larger than the sum of its proper divisors (7772967839).
20122303201 is a wasteful number, since it uses less digits than its factorization.
20122303201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724 (or 703 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20122303201 its reverse (10230322102), we get a palindrome (30352625303).
It can be divided in two parts, 20122 and 303201, that added together give a palindrome (323323).
The spelling of 20122303201 in words is "twenty billion, one hundred twenty-two million, three hundred three thousand, two hundred one".
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