Base | Representation |
---|---|
bin | 11100100110001000… |
… | …011000001100011001 |
3 | 2221020211221021210100 |
4 | 130212020120030121 |
5 | 1000340323022104 |
6 | 22034440010013 |
7 | 2134612646112 |
oct | 344610301431 |
9 | 87224837710 |
10 | 30704501529 |
11 | 120269884a9 |
12 | 5b4aa60909 |
13 | 2b8431c400 |
14 | 16b3c35209 |
15 | bea8da139 |
hex | 726218319 |
30704501529 has 27 divisors (see below), whose sum is σ = 48035680797. Its totient is φ = 18890872416.
The previous prime is 30704501491. The next prime is 30704501539. The reversal of 30704501529 is 92510540703.
The square root of 30704501529 is 175227.
It is a perfect power (a square), and thus also a powerful number.
30704501529 is a `hidden beast` number, since 30 + 70 + 4 + 501 + 52 + 9 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3320871129 + 27383630400 = 57627^2 + 165480^2 .
It is not a de Polignac number, because 30704501529 - 215 = 30704468761 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30704501493 and 30704501502.
It is not an unprimeable number, because it can be changed into a prime (30704501539) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6831607 + ... + 6836099.
Almost surely, 230704501529 is an apocalyptic number.
30704501529 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
30704501529 is the 175227-th square number.
30704501529 is the 87614-th centered octagonal number.
It is an amenable number.
30704501529 is a deficient number, since it is larger than the sum of its proper divisors (17331179268).
30704501529 is an frugal number, since it uses more digits than its factorization.
30704501529 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9018 (or 4509 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
Multiplying 30704501529 by its sum of digits (36), we get a square (1105362055044 = 10513622).
The spelling of 30704501529 in words is "thirty billion, seven hundred four million, five hundred one thousand, five hundred twenty-nine".
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