Base | Representation |
---|---|
bin | 11100011100100000… |
… | …100010010010001010 |
3 | 2220211121011022121020 |
4 | 130130200202102022 |
5 | 1000023010442104 |
6 | 22010431453310 |
7 | 2130612513303 |
oct | 343440422212 |
9 | 86747138536 |
10 | 30543062154 |
11 | 11a53842730 |
12 | 5b04987236 |
13 | 2b59a46757 |
14 | 169a60d7aa |
15 | bdb64b2d9 |
hex | 71c82248a |
30543062154 has 64 divisors (see below), whose sum is σ = 67647467520. Its totient is φ = 9115736000.
The previous prime is 30543062141. The next prime is 30543062161. The reversal of 30543062154 is 45126034503.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5531407 + ... + 5536925.
It is an arithmetic number, because the mean of its divisors is an integer number (1056991680).
Almost surely, 230543062154 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30543062154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33823733760).
30543062154 is an abundant number, since it is smaller than the sum of its proper divisors (37104405366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30543062154 is a wasteful number, since it uses less digits than its factorization.
30543062154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6787.
The product of its (nonzero) digits is 43200, while the sum is 33.
Adding to 30543062154 its reverse (45126034503), we get a palindrome (75669096657).
The spelling of 30543062154 in words is "thirty billion, five hundred forty-three million, sixty-two thousand, one hundred fifty-four".
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