Base | Representation |
---|---|
bin | 11100101100001001… |
… | …101011110111100000 |
3 | 2221111212222221000011 |
4 | 130230021223313200 |
5 | 1001042202220202 |
6 | 22052444534304 |
7 | 2140250331241 |
oct | 345411536740 |
9 | 87455887004 |
10 | 30805507552 |
11 | 120789a6856 |
12 | 5b78851394 |
13 | 2b9c225aa1 |
14 | 16c3408cc8 |
15 | c046dcbd7 |
hex | 72c26bde0 |
30805507552 has 12 divisors (see below), whose sum is σ = 60648343056. Its totient is φ = 15402753760.
The previous prime is 30805507531. The next prime is 30805507571. The reversal of 30805507552 is 25570550803.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481336024 + ... + 481336087.
It is an arithmetic number, because the mean of its divisors is an integer number (5054028588).
Almost surely, 230805507552 is an apocalyptic number.
30805507552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30805507552 is a deficient number, since it is larger than the sum of its proper divisors (29842835504).
30805507552 is an equidigital number, since it uses as much as digits as its factorization.
30805507552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 962672121 (or 962672113 counting only the distinct ones).
The product of its (nonzero) digits is 210000, while the sum is 40.
The spelling of 30805507552 in words is "thirty billion, eight hundred five million, five hundred seven thousand, five hundred fifty-two".
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