Base | Representation |
---|---|
bin | 10010111010000010… |
… | …111110010110011001 |
3 | 1221101211022101002221 |
4 | 102322002332112121 |
5 | 313034102223113 |
6 | 13154245224041 |
7 | 1316040306115 |
oct | 227202762631 |
9 | 57354271087 |
10 | 20301211033 |
11 | 8678560364 |
12 | 3b26a02021 |
13 | 1bb6c0aa0c |
14 | da82d2745 |
15 | 7dc41898d |
hex | 4ba0be599 |
20301211033 has 4 divisors (see below), whose sum is σ = 20407500288. Its totient is φ = 20194921780.
The previous prime is 20301211031. The next prime is 20301211037. The reversal of 20301211033 is 33011210302.
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 20301211033 - 21 = 20301211031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20301210998 and 20301211016.
It is not an unprimeable number, because it can be changed into a prime (20301211031) 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, 53144341 + ... + 53144722.
It is an arithmetic number, because the mean of its divisors is an integer number (5101875072).
Almost surely, 220301211033 is an apocalyptic number.
It is an amenable number.
20301211033 is a deficient number, since it is larger than the sum of its proper divisors (106289255).
20301211033 is a wasteful number, since it uses less digits than its factorization.
20301211033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106289254.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20301211033 its reverse (33011210302), we get a palindrome (53312421335).
The spelling of 20301211033 in words is "twenty billion, three hundred one million, two hundred eleven thousand, thirty-three".
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