Base | Representation |
---|---|
bin | 100010110001101000… |
… | …0011100110011001000 |
3 | 21010202120000212101000 |
4 | 1011203100130303020 |
5 | 2210421000410210 |
6 | 54150221055000 |
7 | 5252426660604 |
oct | 1054320346310 |
9 | 233676025330 |
10 | 74679700680 |
11 | 297428204a2 |
12 | 125820b7460 |
13 | 7071b1ba00 |
14 | 388633c504 |
15 | 1e21398ac0 |
hex | 116341ccc8 |
74679700680 has 384 divisors, whose sum is σ = 270397872000. Its totient is φ = 18325232640.
The previous prime is 74679700679. The next prime is 74679700703. The reversal of 74679700680 is 8600797647.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112979550 + ... + 112980210.
It is an arithmetic number, because the mean of its divisors is an integer number (704161125).
Almost surely, 274679700680 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 74679700680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135198936000).
74679700680 is an abundant number, since it is smaller than the sum of its proper divisors (195718171320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74679700680 is a wasteful number, since it uses less digits than its factorization.
74679700680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1326 (or 1303 counting only the distinct ones).
The product of its (nonzero) digits is 3556224, while the sum is 54.
The spelling of 74679700680 in words is "seventy-four billion, six hundred seventy-nine million, seven hundred thousand, six hundred eighty".
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