Base | Representation |
---|---|
bin | 11101100010100110000… |
… | …110010011001111000101 |
3 | 21012001210222021110102102 |
4 | 131202212012103033011 |
5 | 231224430333430341 |
6 | 4152324013521445 |
7 | 266443366530566 |
oct | 35424606231705 |
9 | 7161728243372 |
10 | 2030011233221 |
11 | 712a17467574 |
12 | 28951a7a3285 |
13 | 11957706043a |
14 | 703785c016d |
15 | 37c12ac4c9b |
hex | 1d8a61933c5 |
2030011233221 has 4 divisors (see below), whose sum is σ = 2050110354444. Its totient is φ = 2009912112000.
The previous prime is 2030011233169. The next prime is 2030011233233. The reversal of 2030011233221 is 1223321100302.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 897519390625 + 1132491842596 = 947375^2 + 1064186^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2030011233221 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2030011233193 and 2030011233202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030011203221) 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, 10049560460 + ... + 10049560661.
It is an arithmetic number, because the mean of its divisors is an integer number (512527588611).
Almost surely, 22030011233221 is an apocalyptic number.
It is an amenable number.
2030011233221 is a deficient number, since it is larger than the sum of its proper divisors (20099121223).
2030011233221 is a wasteful number, since it uses less digits than its factorization.
2030011233221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20099121222.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 2030011233221 its reverse (1223321100302), we get a palindrome (3253332333523).
The spelling of 2030011233221 in words is "two trillion, thirty billion, eleven million, two hundred thirty-three thousand, two hundred twenty-one".
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