Base | Representation |
---|---|
bin | 11100100100100101… |
… | …111000101110000000 |
3 | 2221012001100112201212 |
4 | 130210211320232000 |
5 | 1000312220314441 |
6 | 22032114345252 |
7 | 2134150333010 |
oct | 344445705600 |
9 | 87161315655 |
10 | 30678682496 |
11 | 12013353260 |
12 | 5b4228b228 |
13 | 2b7bb7c487 |
14 | 16b0633c40 |
15 | be84d9eeb |
hex | 724978b80 |
30678682496 has 128 divisors (see below), whose sum is σ = 76783576320. Its totient is φ = 11860992000.
The previous prime is 30678682459. The next prime is 30678682499. The reversal of 30678682496 is 69428687603.
It is a tau number, because it is divible by the number of its divisors (128).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30678682499) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279256 + ... + 1303016.
It is an arithmetic number, because the mean of its divisors is an integer number (599871690).
Almost surely, 230678682496 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 30678682496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38391788160).
30678682496 is an abundant number, since it is smaller than the sum of its proper divisors (46104893824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30678682496 is a wasteful number, since it uses less digits than its factorization.
30678682496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23924 (or 23912 counting only the distinct ones).
The product of its (nonzero) digits is 20901888, while the sum is 59.
The spelling of 30678682496 in words is "thirty billion, six hundred seventy-eight million, six hundred eighty-two thousand, four hundred ninety-six".
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