Base | Representation |
---|---|
bin | 1110010011100010… |
… | …00010110100000000 |
3 | 201211020100200011202 |
4 | 13021301002310000 |
5 | 111212042404123 |
6 | 3310030000332 |
7 | 361214204450 |
oct | 71161026400 |
9 | 21736320152 |
10 | 7680044288 |
11 | 3291203a44 |
12 | 15a40460a8 |
13 | 955179107 |
14 | 52bdbbd60 |
15 | 2ee398a28 |
hex | 1c9c42d00 |
7680044288 has 72 divisors (see below), whose sum is σ = 17850889728. Its totient is φ = 3229304832.
The previous prime is 7680044269. The next prime is 7680044299. The reversal of 7680044288 is 8824400867.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54545 + ... + 135407.
It is an arithmetic number, because the mean of its divisors is an integer number (247929024).
Almost surely, 27680044288 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 7680044288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8925444864).
7680044288 is an abundant number, since it is smaller than the sum of its proper divisors (10170845440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7680044288 is an equidigital number, since it uses as much as digits as its factorization.
7680044288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80939 (or 80925 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 47.
The square root of 7680044288 is about 87635.8618831355. The cubic root of 7680044288 is about 1972.9734519432.
The spelling of 7680044288 in words is "seven billion, six hundred eighty million, forty-four thousand, two hundred eighty-eight".
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