Base | Representation |
---|---|
bin | 11101001000100000100… |
… | …000000010101000010111 |
3 | 21002101111211020220122211 |
4 | 131020200200002220113 |
5 | 230300044001431411 |
6 | 4131412304334251 |
7 | 264432266324005 |
oct | 35104040025027 |
9 | 7071454226584 |
10 | 2002000030231 |
11 | 702052909133 |
12 | 284001914387 |
13 | 116a31a1c406 |
14 | 6cc7c355a75 |
15 | 37123899221 |
hex | 1d220802a17 |
2002000030231 has 4 divisors (see below), whose sum is σ = 2002109441464. Its totient is φ = 2001890619000.
The previous prime is 2002000030223. The next prime is 2002000030279. The reversal of 2002000030231 is 1320300002002.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2002000030231 - 23 = 2002000030223 is a prime.
It is a super-2 number, since 2×20020000302312 (a number of 25 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 (2002000030291) 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, 54678165 + ... + 54714766.
It is an arithmetic number, because the mean of its divisors is an integer number (500527360366).
Almost surely, 22002000030231 is an apocalyptic number.
2002000030231 is a deficient number, since it is larger than the sum of its proper divisors (109411233).
2002000030231 is a wasteful number, since it uses less digits than its factorization.
2002000030231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109411232.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 2002000030231 its reverse (1320300002002), we get a palindrome (3322300032233).
The spelling of 2002000030231 in words is "two trillion, two billion, thirty thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •