Base | Representation |
---|---|
bin | 11100001000001011… |
… | …100001111010111001 |
3 | 2212221211102010210220 |
4 | 130020023201322321 |
5 | 443323203330241 |
6 | 21512525530253 |
7 | 2116301601066 |
oct | 341013417271 |
9 | 85854363726 |
10 | 30202011321 |
11 | 11899280139 |
12 | 5a2a713989 |
13 | 2b041a4a21 |
14 | 16671d1c6d |
15 | bbb72e166 |
hex | 7082e1eb9 |
30202011321 has 24 divisors (see below), whose sum is σ = 42329292096. Its totient is φ = 19152666720.
The previous prime is 30202011271. The next prime is 30202011373. The reversal of 30202011321 is 12311020203.
It is not a de Polignac number, because 30202011321 - 27 = 30202011193 is a prime.
It is a super-2 number, since 2×302020113212 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30202011321.
It is not an unprimeable number, because it can be changed into a prime (30202011391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234676 + ... + 339818.
It is an arithmetic number, because the mean of its divisors is an integer number (1763720504).
Almost surely, 230202011321 is an apocalyptic number.
It is an amenable number.
30202011321 is a deficient number, since it is larger than the sum of its proper divisors (12127280775).
30202011321 is a wasteful number, since it uses less digits than its factorization.
30202011321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105373 (or 105350 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30202011321 its reverse (12311020203), we get a palindrome (42513031524).
The spelling of 30202011321 in words is "thirty billion, two hundred two million, eleven thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •