Base | Representation |
---|---|
bin | 11100011010111010… |
… | …110101111001000100 |
3 | 2220202201222221012001 |
4 | 130122322311321010 |
5 | 444444144410110 |
6 | 22004040235044 |
7 | 2130140103142 |
oct | 343272657104 |
9 | 86681887161 |
10 | 30516403780 |
11 | 11a3a794915 |
12 | 5ab7a6ba84 |
13 | 2b54371775 |
14 | 1696c70592 |
15 | bd913263a |
hex | 71aeb5e44 |
30516403780 has 24 divisors (see below), whose sum is σ = 64371831552. Its totient is φ = 12151821792.
The previous prime is 30516403769. The next prime is 30516403793. The reversal of 30516403780 is 8730461503.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3416662 + ... + 3425581.
It is an arithmetic number, because the mean of its divisors is an integer number (2682159648).
Almost surely, 230516403780 is an apocalyptic number.
It is an amenable number.
30516403780 is an abundant number, since it is smaller than the sum of its proper divisors (33855427772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30516403780 is a wasteful number, since it uses less digits than its factorization.
30516403780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6842475 (or 6842473 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 37.
The spelling of 30516403780 in words is "thirty billion, five hundred sixteen million, four hundred three thousand, seven hundred eighty".
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