Base | Representation |
---|---|
bin | 11100011100011110… |
… | …100111101110001000 |
3 | 2220211120012210221222 |
4 | 130130132213232020 |
5 | 1000022343411021 |
6 | 22010413021212 |
7 | 2130605322554 |
oct | 343436475610 |
9 | 86746183858 |
10 | 30542560136 |
11 | 11a5352a540 |
12 | 5b04784808 |
13 | 2b598cc0ba |
14 | 169a51c864 |
15 | bdb59c6ab |
hex | 71c7a7b88 |
30542560136 has 16 divisors (see below), whose sum is σ = 62473418640. Its totient is φ = 13882981840.
The previous prime is 30542560129. The next prime is 30542560183. The reversal of 30542560136 is 63106524503.
It is a super-2 number, since 2×305425601362 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30542560096 and 30542560105.
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 3 ways as a sum of consecutive naturals, for example, 173537186 + ... + 173537361.
It is an arithmetic number, because the mean of its divisors is an integer number (3904588665).
Almost surely, 230542560136 is an apocalyptic number.
It is an amenable number.
30542560136 is an abundant number, since it is smaller than the sum of its proper divisors (31930858504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30542560136 is a wasteful number, since it uses less digits than its factorization.
30542560136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347074564 (or 347074560 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 35.
The spelling of 30542560136 in words is "thirty billion, five hundred forty-two million, five hundred sixty thousand, one hundred thirty-six".
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