Base | Representation |
---|---|
bin | 11100100110000111… |
… | …001101111111101111 |
3 | 2221020211100211220021 |
4 | 130212013031333233 |
5 | 1000340233310430 |
6 | 22034425303011 |
7 | 2134610242060 |
oct | 344607157757 |
9 | 87224324807 |
10 | 30704197615 |
11 | 120267a0133 |
12 | 5b4a934a67 |
13 | 2b84243c90 |
14 | 16b3b96567 |
15 | bea87a07a |
hex | 7261cdfef |
30704197615 has 32 divisors (see below), whose sum is σ = 46911473280. Its totient is φ = 18764573184.
The previous prime is 30704197613. The next prime is 30704197621. The reversal of 30704197615 is 51679140703.
It is not a de Polignac number, because 30704197615 - 21 = 30704197613 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30704197613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150284 + ... + 1176673.
It is an arithmetic number, because the mean of its divisors is an integer number (1465983540).
Almost surely, 230704197615 is an apocalyptic number.
30704197615 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30704197615 is a deficient number, since it is larger than the sum of its proper divisors (16207275665).
30704197615 is a wasteful number, since it uses less digits than its factorization.
30704197615 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2327011.
The product of its (nonzero) digits is 158760, while the sum is 43.
The spelling of 30704197615 in words is "thirty billion, seven hundred four million, one hundred ninety-seven thousand, six hundred fifteen".
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