Base | Representation |
---|---|
bin | 11100101000101000… |
… | …111010010001110100 |
3 | 2221100210010022100001 |
4 | 130220220322101310 |
5 | 1000432111143210 |
6 | 22042542001044 |
7 | 2135633440054 |
oct | 345050722164 |
9 | 87323108301 |
10 | 30746584180 |
11 | 12048710854 |
12 | 5b60b76184 |
13 | 2b8cc64ba0 |
14 | 16b966b564 |
15 | bee44e03a |
hex | 728a3a474 |
30746584180 has 48 divisors (see below), whose sum is σ = 69761260800. Its totient is φ = 11315576448.
The previous prime is 30746584129. The next prime is 30746584201. The reversal of 30746584180 is 8148564703.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30746584180.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112780 + ... + 272419.
It is an arithmetic number, because the mean of its divisors is an integer number (1453359600).
Almost surely, 230746584180 is an apocalyptic number.
It is an amenable number.
30746584180 is an abundant number, since it is smaller than the sum of its proper divisors (39014676620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30746584180 is a wasteful number, since it uses less digits than its factorization.
30746584180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385528 (or 385526 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 46.
The spelling of 30746584180 in words is "thirty billion, seven hundred forty-six million, five hundred eighty-four thousand, one hundred eighty".
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