Base | Representation |
---|---|
bin | 11100101011100110… |
… | …101011001010110000 |
3 | 2221111020201122021210 |
4 | 130223212223022300 |
5 | 1001032330022043 |
6 | 22051520120120 |
7 | 2140106324430 |
oct | 345346531260 |
9 | 87436648253 |
10 | 30796329648 |
11 | 120737a8307 |
12 | 5b75766040 |
13 | 2b9a361486 |
14 | 16c20da2c0 |
15 | c039c8633 |
hex | 72b9ab2b0 |
30796329648 has 160 divisors (see below), whose sum is σ = 91751841792. Its totient is φ = 8719084800.
The previous prime is 30796329623. The next prime is 30796329649. The reversal of 30796329648 is 84692369703.
It is not an unprimeable number, because it can be changed into a prime (30796329649) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19957965 + ... + 19959507.
Almost surely, 230796329648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30796329648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45875920896).
30796329648 is an abundant number, since it is smaller than the sum of its proper divisors (60955512144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30796329648 is a wasteful number, since it uses less digits than its factorization.
30796329648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2063 (or 2057 counting only the distinct ones).
The product of its (nonzero) digits is 11757312, while the sum is 57.
The spelling of 30796329648 in words is "thirty billion, seven hundred ninety-six million, three hundred twenty-nine thousand, six hundred forty-eight".
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