Base | Representation |
---|---|
bin | 11100100110001010… |
… | …101010110010110111 |
3 | 2221020220001210111021 |
4 | 130212022222302313 |
5 | 1000341001231012 |
6 | 22034500522011 |
7 | 2134621026556 |
oct | 344612526267 |
9 | 87226053437 |
10 | 30705102007 |
11 | 12027258668 |
12 | 5b4b0b0307 |
13 | 2b8449c818 |
14 | 16b3d4dd9d |
15 | bea9a8007 |
hex | 7262aacb7 |
30705102007 has 16 divisors (see below), whose sum is σ = 33315758784. Its totient is φ = 28184320000.
The previous prime is 30705101993. The next prime is 30705102023. The reversal of 30705102007 is 70020150703.
It is a cyclic number.
It is not a de Polignac number, because 30705102007 - 27 = 30705101879 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30705102037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699382 + ... + 2710732.
It is an arithmetic number, because the mean of its divisors is an integer number (2082234924).
Almost surely, 230705102007 is an apocalyptic number.
30705102007 is a deficient number, since it is larger than the sum of its proper divisors (2610656777).
30705102007 is a wasteful number, since it uses less digits than its factorization.
30705102007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15290.
The product of its (nonzero) digits is 1470, while the sum is 25.
The spelling of 30705102007 in words is "thirty billion, seven hundred five million, one hundred two thousand, seven".
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