Base | Representation |
---|---|
bin | 100100010101010100… |
… | …0010111010011100000 |
3 | 21110101200010011111010 |
4 | 1020222220113103200 |
5 | 2234243301314431 |
6 | 55502150420520 |
7 | 5431344313524 |
oct | 1105250272340 |
9 | 243350104433 |
10 | 78024635616 |
11 | 300a9966634 |
12 | 13156361740 |
13 | 7485b04b55 |
14 | 3ac2693d84 |
15 | 2069d75846 |
hex | 122aa174e0 |
78024635616 has 48 divisors (see below), whose sum is σ = 216862594704. Its totient is φ = 24478316544.
The previous prime is 78024635567. The next prime is 78024635617. The reversal of 78024635616 is 61653642087.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78024635617) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23902975 + ... + 23906238.
It is an arithmetic number, because the mean of its divisors is an integer number (4517970723).
Almost surely, 278024635616 is an apocalyptic number.
It is an amenable number.
78024635616 is an abundant number, since it is smaller than the sum of its proper divisors (138837959088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78024635616 is a wasteful number, since it uses less digits than its factorization.
78024635616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47809243 (or 47809235 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 48.
The spelling of 78024635616 in words is "seventy-eight billion, twenty-four million, six hundred thirty-five thousand, six hundred sixteen".
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