Base | Representation |
---|---|
bin | 11100011011011011… |
… | …101101110011011001 |
3 | 2220210100012202100012 |
4 | 130123123231303121 |
5 | 1000003401141101 |
6 | 22004545051305 |
7 | 2130303254330 |
oct | 343333556331 |
9 | 86710182305 |
10 | 30525021401 |
11 | 11a44640416 |
12 | 5aba926b35 |
13 | 2b5609b054 |
14 | 1698074d17 |
15 | bd9c85bbb |
hex | 71b6edcd9 |
30525021401 has 8 divisors (see below), whose sum is σ = 34891389120. Its totient is φ = 26160066288.
The previous prime is 30525021377. The next prime is 30525021403. The reversal of 30525021401 is 10412052503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30525021401 - 218 = 30524759257 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30525021403) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306431 + ... + 393636.
It is an arithmetic number, because the mean of its divisors is an integer number (4361423640).
Almost surely, 230525021401 is an apocalyptic number.
It is an amenable number.
30525021401 is a deficient number, since it is larger than the sum of its proper divisors (4366367719).
30525021401 is an equidigital number, since it uses as much as digits as its factorization.
30525021401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 706303.
The product of its (nonzero) digits is 1200, while the sum is 23.
Adding to 30525021401 its reverse (10412052503), we get a palindrome (40937073904).
The spelling of 30525021401 in words is "thirty billion, five hundred twenty-five million, twenty-one thousand, four hundred one".
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