Base | Representation |
---|---|
bin | 11100010100001110… |
… | …001101011011010011 |
3 | 2220110220120021121111 |
4 | 130110032031123103 |
5 | 444231413243103 |
6 | 21544544034151 |
7 | 2124304036132 |
oct | 342416153323 |
9 | 86426507544 |
10 | 30404040403 |
11 | 11992319620 |
12 | 5a86302957 |
13 | 2b36cbc769 |
14 | 1685d81919 |
15 | bce33986d |
hex | 71438d6d3 |
30404040403 has 16 divisors (see below), whose sum is σ = 33529311072. Its totient is φ = 27339520000.
The previous prime is 30404040397. The next prime is 30404040427.
It is a happy number.
30404040403 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 30404040403 - 217 = 30403909331 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30404040803) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165875 + ... + 1191667.
It is an arithmetic number, because the mean of its divisors is an integer number (2095581942).
Almost surely, 230404040403 is an apocalyptic number.
30404040403 is a deficient number, since it is larger than the sum of its proper divisors (3125270669).
30404040403 is a wasteful number, since it uses less digits than its factorization.
30404040403 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26966.
The product of its (nonzero) digits is 2304, while the sum is 22.
Multiplying 30404040403 by its sum of digits (22), we get a palindrome (668888888866).
It can be divided in two parts, 304040 and 40403, that added together give a palindrome (344443).
The spelling of 30404040403 in words is "thirty billion, four hundred four million, forty thousand, four hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •