Base | Representation |
---|---|
bin | 11100010011111111… |
… | …010001111100100001 |
3 | 2220110122012110002111 |
4 | 130103333101330201 |
5 | 444224413024003 |
6 | 21544324115321 |
7 | 2124225546103 |
oct | 342377217441 |
9 | 86418173074 |
10 | 30400126753 |
11 | 119900961a7 |
12 | 5a84b35b41 |
13 | 2b3624c2a9 |
14 | 1685643573 |
15 | bcdd14e6d |
hex | 713fd1f21 |
30400126753 has 4 divisors (see below), whose sum is σ = 30404096388. Its totient is φ = 30396157120.
The previous prime is 30400126727. The next prime is 30400126763. The reversal of 30400126753 is 35762100403.
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 7322567184 + 23077559569 = 85572^2 + 151913^2 .
It is a cyclic number.
It is not a de Polignac number, because 30400126753 - 29 = 30400126241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30400126763) 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, 1973308 + ... + 1988653.
It is an arithmetic number, because the mean of its divisors is an integer number (7601024097).
Almost surely, 230400126753 is an apocalyptic number.
It is an amenable number.
30400126753 is a deficient number, since it is larger than the sum of its proper divisors (3969635).
30400126753 is an equidigital number, since it uses as much as digits as its factorization.
30400126753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3969634.
The product of its (nonzero) digits is 15120, while the sum is 31.
The spelling of 30400126753 in words is "thirty billion, four hundred million, one hundred twenty-six thousand, seven hundred fifty-three".
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