Base | Representation |
---|---|
bin | 100010110100010001… |
… | …1001001000101011011 |
3 | 21010222202002122221212 |
4 | 1011220203021011123 |
5 | 2211111213033442 |
6 | 54203112053335 |
7 | 5254555436243 |
oct | 1055043110533 |
9 | 233882078855 |
10 | 74768486747 |
11 | 29788952809 |
12 | 125a799424b |
13 | 7087337246 |
14 | 3894050b23 |
15 | 1e29085a82 |
hex | 11688c915b |
74768486747 has 16 divisors (see below), whose sum is σ = 79512933120. Its totient is φ = 70105500000.
The previous prime is 74768486701. The next prime is 74768486759.
74768486747 is nontrivially palindromic in base 10.
It is a cyclic number.
It is not a de Polignac number, because 74768486747 - 214 = 74768470363 is a prime.
It is a super-2 number, since 2×747684867472 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74768486047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639872 + ... + 6651122.
It is an arithmetic number, because the mean of its divisors is an integer number (4969558320).
Almost surely, 274768486747 is an apocalyptic number.
74768486747 is a deficient number, since it is larger than the sum of its proper divisors (4744446373).
74768486747 is a wasteful number, since it uses less digits than its factorization.
74768486747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14834.
The product of its digits is 354041856, while the sum is 68.
The spelling of 74768486747 in words is "seventy-four billion, seven hundred sixty-eight million, four hundred eighty-six thousand, seven hundred forty-seven".
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