Base | Representation |
---|---|
bin | 11100100110000110… |
… | …011111101010000101 |
3 | 2221020211000012112120 |
4 | 130212012133222011 |
5 | 1000340211222223 |
6 | 22034421240153 |
7 | 2134605521523 |
oct | 344606375205 |
9 | 87224005476 |
10 | 30704007813 |
11 | 12026680576 |
12 | 5b4a863059 |
13 | 2b841a877b |
14 | 16b3b47313 |
15 | bea83dbe3 |
hex | 72619fa85 |
30704007813 has 16 divisors (see below), whose sum is σ = 42051280320. Its totient is φ = 19913198976.
The previous prime is 30704007787. The next prime is 30704007823. The reversal of 30704007813 is 31870040703.
It is not a de Polignac number, because 30704007813 - 217 = 30703876741 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30704007823) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950593 + ... + 982361.
It is an arithmetic number, because the mean of its divisors is an integer number (2628205020).
Almost surely, 230704007813 is an apocalyptic number.
It is an amenable number.
30704007813 is a deficient number, since it is larger than the sum of its proper divisors (11347272507).
30704007813 is a wasteful number, since it uses less digits than its factorization.
30704007813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40516.
The product of its (nonzero) digits is 14112, while the sum is 33.
The spelling of 30704007813 in words is "thirty billion, seven hundred four million, seven thousand, eight hundred thirteen".
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