Base | Representation |
---|---|
bin | 11100101010001100… |
… | …010101000100101100 |
3 | 2221102121011101200121 |
4 | 130222030111010230 |
5 | 1001010244134223 |
6 | 22045312334324 |
7 | 2136401114434 |
oct | 345214250454 |
9 | 87377141617 |
10 | 30772646188 |
11 | 120613a15a9 |
12 | 5b698443a4 |
13 | 2b9548b5ab |
14 | 16bccd32c4 |
15 | c0189b15d |
hex | 72a31512c |
30772646188 has 12 divisors (see below), whose sum is σ = 53865611800. Its totient is φ = 15382471392.
The previous prime is 30772646153. The next prime is 30772646189. The reversal of 30772646188 is 88164627703.
It is not an unprimeable number, because it can be changed into a prime (30772646189) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944913 + ... + 976936.
Almost surely, 230772646188 is an apocalyptic number.
It is an amenable number.
30772646188 is a deficient number, since it is larger than the sum of its proper divisors (23092965612).
30772646188 is a wasteful number, since it uses less digits than its factorization.
30772646188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1925856 (or 1925854 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 52.
The spelling of 30772646188 in words is "thirty billion, seven hundred seventy-two million, six hundred forty-six thousand, one hundred eighty-eight".
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