Base | Representation |
---|---|
bin | 11100011100010010… |
… | …010001100100000000 |
3 | 2220211100010101100001 |
4 | 130130102101210000 |
5 | 1000021031324043 |
6 | 22010215405344 |
7 | 2130535653001 |
oct | 343422214400 |
9 | 86740111301 |
10 | 30539323648 |
11 | 11a51719959 |
12 | 5b03683854 |
13 | 2b59037c12 |
14 | 1699d191a8 |
15 | bdb15d74d |
hex | 71c491900 |
30539323648 has 36 divisors (see below), whose sum is σ = 61424759088. Its totient is φ = 15153082880.
The previous prime is 30539323631. The next prime is 30539323691. The reversal of 30539323648 is 84632393503.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30539323598 and 30539323607.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421786 + ... + 488857.
It is an arithmetic number, because the mean of its divisors is an integer number (1706243308).
Almost surely, 230539323648 is an apocalyptic number.
It is an amenable number.
30539323648 is an abundant number, since it is smaller than the sum of its proper divisors (30885435440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30539323648 is an equidigital number, since it uses as much as digits as its factorization.
30539323648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910790 (or 910776 counting only the distinct ones).
The product of its (nonzero) digits is 1399680, while the sum is 46.
The spelling of 30539323648 in words is "thirty billion, five hundred thirty-nine million, three hundred twenty-three thousand, six hundred forty-eight".
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