Base | Representation |
---|---|
bin | 11100100010011001… |
… | …100111000000000010 |
3 | 2221002111011022000202 |
4 | 130202121213000002 |
5 | 1000223312103022 |
6 | 22024322245202 |
7 | 2133222635612 |
oct | 344231470002 |
9 | 87074138022 |
10 | 30641909762 |
11 | 11aa4617372 |
12 | 5b31ab6802 |
13 | 2b74375869 |
14 | 16a97c0a42 |
15 | be5174592 |
hex | 722667002 |
30641909762 has 24 divisors (see below), whose sum is σ = 49131157500. Its totient is φ = 14315437920.
The previous prime is 30641909761. The next prime is 30641909789. The reversal of 30641909762 is 26790914603.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 29932806121 + 709103641 = 173011^2 + 26629^2 .
It is not an unprimeable number, because it can be changed into a prime (30641909761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219137 + ... + 330612.
Almost surely, 230641909762 is an apocalyptic number.
30641909762 is a deficient number, since it is larger than the sum of its proper divisors (18489247738).
30641909762 is a wasteful number, since it uses less digits than its factorization.
30641909762 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549842 (or 549811 counting only the distinct ones).
The product of its (nonzero) digits is 489888, while the sum is 47.
The spelling of 30641909762 in words is "thirty billion, six hundred forty-one million, nine hundred nine thousand, seven hundred sixty-two".
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