Base | Representation |
---|---|
bin | 100010011101110000… |
… | …0111110110101010100 |
3 | 21002001002102012112220 |
4 | 1010323200332311110 |
5 | 2203034303230443 |
6 | 54000122142340 |
7 | 5230052441640 |
oct | 1047340766524 |
9 | 232032365486 |
10 | 74012945748 |
11 | 29430418665 |
12 | 124169519b0 |
13 | 6c9694c671 |
14 | 3821979c20 |
15 | 1dd2a91a83 |
hex | 113b83ed54 |
74012945748 has 96 divisors (see below), whose sum is σ = 199737216000. Its totient is φ = 20893061376.
The previous prime is 74012945717. The next prime is 74012945801. The reversal of 74012945748 is 84754921047.
It is a super-2 number, since 2×740129457482 (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 74012945748.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 12698811 + ... + 12704637.
It is an arithmetic number, because the mean of its divisors is an integer number (2080596000).
Almost surely, 274012945748 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 74012945748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99868608000).
74012945748 is an abundant number, since it is smaller than the sum of its proper divisors (125724270252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74012945748 is a wasteful number, since it uses less digits than its factorization.
74012945748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7629 (or 7627 counting only the distinct ones).
The product of its (nonzero) digits is 2257920, while the sum is 51.
The spelling of 74012945748 in words is "seventy-four billion, twelve million, nine hundred forty-five thousand, seven hundred forty-eight".
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