Base | Representation |
---|---|
bin | 11100100111010101… |
… | …010110010010010011 |
3 | 2221022020220101210210 |
4 | 130213111112102103 |
5 | 1000411004210203 |
6 | 22040440255203 |
7 | 2135246314020 |
oct | 344725262223 |
9 | 87266811723 |
10 | 30724678803 |
11 | 12037309a35 |
12 | 5b55771503 |
13 | 2b88565420 |
14 | 16b67a8547 |
15 | bec573803 |
hex | 727556493 |
30724678803 has 32 divisors (see below), whose sum is σ = 51110703616. Its totient is φ = 15984407808.
The previous prime is 30724678781. The next prime is 30724678843. The reversal of 30724678803 is 30887642703.
It is not a de Polignac number, because 30724678803 - 29 = 30724678291 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30724678843) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750925 + ... + 790782.
It is an arithmetic number, because the mean of its divisors is an integer number (1597209488).
Almost surely, 230724678803 is an apocalyptic number.
30724678803 is a deficient number, since it is larger than the sum of its proper divisors (20386024813).
30724678803 is a wasteful number, since it uses less digits than its factorization.
30724678803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1541803.
The product of its (nonzero) digits is 1354752, while the sum is 48.
The spelling of 30724678803 in words is "thirty billion, seven hundred twenty-four million, six hundred seventy-eight thousand, eight hundred three".
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