Base | Representation |
---|---|
bin | 100011101011100111… |
… | …1100011001110000100 |
3 | 21022210011121220110000 |
4 | 1013113033203032010 |
5 | 2223412124400032 |
6 | 55111253001300 |
7 | 5351566016361 |
oct | 1072717431604 |
9 | 238704556400 |
10 | 76625621892 |
11 | 2a551190946 |
12 | 12a25923230 |
13 | 72c2010291 |
14 | 39cc95b468 |
15 | 1ed7127e7c |
hex | 11d73e3384 |
76625621892 has 120 divisors (see below), whose sum is σ = 210980246400. Its totient is φ = 24183468864.
The previous prime is 76625621819. The next prime is 76625621893. The reversal of 76625621892 is 29812652667.
76625621892 is a `hidden beast` number, since 7 + 6 + 6 + 2 + 5 + 621 + 8 + 9 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (76625621893) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17166853 + ... + 17171315.
It is an arithmetic number, because the mean of its divisors is an integer number (1758168720).
Almost surely, 276625621892 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 76625621892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105490123200).
76625621892 is an abundant number, since it is smaller than the sum of its proper divisors (134354624508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
76625621892 is a wasteful number, since it uses less digits than its factorization.
76625621892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7287 (or 7276 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 54.
The spelling of 76625621892 in words is "seventy-six billion, six hundred twenty-five million, six hundred twenty-one thousand, eight hundred ninety-two".
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