Base | Representation |
---|---|
bin | 11100011101010010… |
… | …100010010001111100 |
3 | 2220212111211020021120 |
4 | 130131102202101330 |
5 | 1000034334404330 |
6 | 22012020430540 |
7 | 2131132103544 |
oct | 343522422174 |
9 | 86774736246 |
10 | 30556169340 |
11 | 11a60185314 |
12 | 5b09248450 |
13 | 2b5c685698 |
14 | 169c262324 |
15 | bdc889c10 |
hex | 71d4a247c |
30556169340 has 36 divisors (see below), whose sum is σ = 85561065576. Its totient is φ = 8147950752.
The previous prime is 30556169333. The next prime is 30556169381. The reversal of 30556169340 is 4396165503.
It is a junction number, because it is equal to n+sod(n) for n = 30556169292 and 30556169301.
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 11 ways as a sum of consecutive naturals, for example, 1342737 + ... + 1365303.
It is an arithmetic number, because the mean of its divisors is an integer number (2376696266).
Almost surely, 230556169340 is an apocalyptic number.
30556169340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30556169340 is an abundant number, since it is smaller than the sum of its proper divisors (55004896236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30556169340 is an frugal number, since it uses more digits than its factorization.
30556169340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45146 (or 22577 counting only the distinct ones).
The product of its (nonzero) digits is 291600, while the sum is 42.
The spelling of 30556169340 in words is "thirty billion, five hundred fifty-six million, one hundred sixty-nine thousand, three hundred forty".
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