Base | Representation |
---|---|
bin | 11011111110000110… |
… | …010010100010000111 |
3 | 2212112001010122020201 |
4 | 123332012102202013 |
5 | 443001403143130 |
6 | 21444044311331 |
7 | 2112146100250 |
oct | 337606224207 |
9 | 85461118221 |
10 | 30032865415 |
11 | 11811851333 |
12 | 59a1b42547 |
13 | 2aa81313a7 |
14 | 164c961b27 |
15 | bab96bbca |
hex | 6fe192887 |
30032865415 has 16 divisors (see below), whose sum is σ = 41310165312. Its totient is φ = 20532847104.
The previous prime is 30032865287. The next prime is 30032865419. The reversal of 30032865415 is 51456823003.
It is not a de Polignac number, because 30032865415 - 27 = 30032865287 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 (30032865419) 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, 1261324 + ... + 1284913.
It is an arithmetic number, because the mean of its divisors is an integer number (2581885332).
Almost surely, 230032865415 is an apocalyptic number.
30032865415 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30032865415 is a deficient number, since it is larger than the sum of its proper divisors (11277299897).
30032865415 is a wasteful number, since it uses less digits than its factorization.
30032865415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2546586.
The product of its (nonzero) digits is 86400, while the sum is 37.
The spelling of 30032865415 in words is "thirty billion, thirty-two million, eight hundred sixty-five thousand, four hundred fifteen".
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