Base | Representation |
---|---|
bin | 11100010100000100… |
… | …111101011000101011 |
3 | 2220110202000002010200 |
4 | 130110010331120223 |
5 | 444230303143103 |
6 | 21544420043243 |
7 | 2124244316145 |
oct | 342404753053 |
9 | 86422002120 |
10 | 30401615403 |
11 | 11990a12695 |
12 | 5a85533523 |
13 | 2b36650a53 |
14 | 168590dc95 |
15 | bce00b0a3 |
hex | 71413d62b |
30401615403 has 24 divisors (see below), whose sum is σ = 44693391600. Its totient is φ = 19908317184.
The previous prime is 30401615383. The next prime is 30401615411. The reversal of 30401615403 is 30451610403.
30401615403 is a `hidden beast` number, since 3 + 0 + 4 + 0 + 1 + 615 + 40 + 3 = 666.
It is not a de Polignac number, because 30401615403 - 29 = 30401614891 is a prime.
It is a super-2 number, since 2×304016154032 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30401615483) 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, 662251 + ... + 706667.
It is an arithmetic number, because the mean of its divisors is an integer number (1862224650).
Almost surely, 230401615403 is an apocalyptic number.
30401615403 is a deficient number, since it is larger than the sum of its proper divisors (14291776197).
30401615403 is a wasteful number, since it uses less digits than its factorization.
30401615403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45771 (or 45768 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Subtracting 30401615403 from its reverse (30451610403), we obtain a triangular number (49995000 = T9999).
The spelling of 30401615403 in words is "thirty billion, four hundred one million, six hundred fifteen thousand, four hundred three".
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