Base | Representation |
---|---|
bin | 11100100010011000… |
… | …001010110011100111 |
3 | 2221002110110010000120 |
4 | 130202120022303213 |
5 | 1000223213012020 |
6 | 22024310213023 |
7 | 2133216503634 |
oct | 344230126347 |
9 | 87073403016 |
10 | 30641532135 |
11 | 11aa4389685 |
12 | 5b31954173 |
13 | 2b74272a06 |
14 | 16a972318b |
15 | be50ec740 |
hex | 72260ace7 |
30641532135 has 12 divisors (see below), whose sum is σ = 49027536168. Its totient is φ = 16341788896.
The previous prime is 30641532127. The next prime is 30641532137. The reversal of 30641532135 is 53123514603.
It is not a de Polignac number, because 30641532135 - 23 = 30641532127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30641532096 and 30641532105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30641532137) by changing a digit.
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, 655357 + ... + 700553.
It is an arithmetic number, because the mean of its divisors is an integer number (4085628014).
Almost surely, 230641532135 is an apocalyptic number.
30641532135 is a deficient number, since it is larger than the sum of its proper divisors (18386004033).
30641532135 is an frugal number, since it uses more digits than its factorization.
30641532135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90402 (or 45205 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 33.
The spelling of 30641532135 in words is "thirty billion, six hundred forty-one million, five hundred thirty-two thousand, one hundred thirty-five".
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