Base | Representation |
---|---|
bin | 11100010101111001… |
… | …000111000101101001 |
3 | 2220112212022000112220 |
4 | 130111321013011221 |
5 | 444311102020344 |
6 | 21551424424253 |
7 | 2125064163135 |
oct | 342571070551 |
9 | 86485260486 |
10 | 30432063849 |
11 | 119a7119aa0 |
12 | 5a93778089 |
13 | 2b3ca51b95 |
14 | 16899983c5 |
15 | bd1a22c19 |
hex | 715e47169 |
30432063849 has 64 divisors (see below), whose sum is σ = 48596459520. Its totient is φ = 16733952000.
The previous prime is 30432063719. The next prime is 30432063859. The reversal of 30432063849 is 94836023403.
It is not a de Polignac number, because 30432063849 - 225 = 30398509417 is a prime.
It is a super-2 number, since 2×304320638492 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30432063849.
It is not an unprimeable number, because it can be changed into a prime (30432063859) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1877319 + ... + 1893459.
It is an arithmetic number, because the mean of its divisors is an integer number (759319680).
Almost surely, 230432063849 is an apocalyptic number.
It is an amenable number.
30432063849 is a deficient number, since it is larger than the sum of its proper divisors (18164395671).
30432063849 is a wasteful number, since it uses less digits than its factorization.
30432063849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16302.
The product of its (nonzero) digits is 373248, while the sum is 42.
The spelling of 30432063849 in words is "thirty billion, four hundred thirty-two million, sixty-three thousand, eight hundred forty-nine".
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