Base | Representation |
---|---|
bin | 100100100110101001… |
… | …0010000011011100000 |
3 | 21111220012010201021022 |
4 | 1021031102100123200 |
5 | 2241441121332343 |
6 | 100040000145012 |
7 | 5451634224404 |
oct | 1111522203340 |
9 | 244805121238 |
10 | 78606042848 |
11 | 30378075483 |
12 | 13299008168 |
13 | 75493c09b8 |
14 | 3b3999b104 |
15 | 20a0e1e568 |
hex | 124d4906e0 |
78606042848 has 24 divisors (see below), whose sum is σ = 154767140640. Its totient is φ = 39300102400.
The previous prime is 78606042847. The next prime is 78606042863. The reversal of 78606042848 is 84824060687.
It is a super-2 number, since 2×786060428482 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 78606042848.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78606042847) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384548 + ... + 552348.
It is an arithmetic number, because the mean of its divisors is an integer number (6448630860).
Almost surely, 278606042848 is an apocalyptic number.
It is an amenable number.
78606042848 is a deficient number, since it is larger than the sum of its proper divisors (76161097792).
78606042848 is a wasteful number, since it uses less digits than its factorization.
78606042848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182450 (or 182442 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 53.
The spelling of 78606042848 in words is "seventy-eight billion, six hundred six million, forty-two thousand, eight hundred forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •