Base | Representation |
---|---|
bin | 11100011100111110… |
… | …100110000001010100 |
3 | 2220212010222122102020 |
4 | 130130332212001110 |
5 | 1000032020114110 |
6 | 22011312413140 |
7 | 2131036502052 |
oct | 343476460124 |
9 | 86763878366 |
10 | 30550941780 |
11 | 11a58234817 |
12 | 5b075471b0 |
13 | 2b5b575158 |
14 | 169b6a11d2 |
15 | bdc1a5d70 |
hex | 71cfa6054 |
30550941780 has 48 divisors (see below), whose sum is σ = 85718371200. Its totient is φ = 8130181248.
The previous prime is 30550941709. The next prime is 30550941793. The reversal of 30550941780 is 8714905503.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493555 + ... + 551994.
It is an arithmetic number, because the mean of its divisors is an integer number (1785799400).
Almost surely, 230550941780 is an apocalyptic number.
30550941780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30550941780 is an abundant number, since it is smaller than the sum of its proper divisors (55167429420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30550941780 is a wasteful number, since it uses less digits than its factorization.
30550941780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1046048 (or 1046046 counting only the distinct ones).
The product of its (nonzero) digits is 151200, while the sum is 42.
The spelling of 30550941780 in words is "thirty billion, five hundred fifty million, nine hundred forty-one thousand, seven hundred eighty".
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