Base | Representation |
---|---|
bin | 100011010110101111… |
… | …1000101111000011101 |
3 | 21020222100101022112102 |
4 | 1012231133011320131 |
5 | 2220443303143312 |
6 | 54513545214445 |
7 | 5325331205345 |
oct | 1065537057035 |
9 | 236870338472 |
10 | 75925052957 |
11 | 2a221793056 |
12 | 1286b191425 |
13 | 720cb31c50 |
14 | 39638b5d25 |
15 | 1e95891ec2 |
hex | 11ad7c5e1d |
75925052957 has 32 divisors (see below), whose sum is σ = 87020656128. Its totient is φ = 65704294656.
The previous prime is 75925052927. The next prime is 75925052969.
It is a happy number.
75925052957 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 75925052957 - 224 = 75908275741 is a prime.
It is a super-2 number, since 2×759250529572 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75925052927) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20646803 + ... + 20650479.
It is an arithmetic number, because the mean of its divisors is an integer number (2719395504).
Almost surely, 275925052957 is an apocalyptic number.
It is an amenable number.
75925052957 is a deficient number, since it is larger than the sum of its proper divisors (11095603171).
75925052957 is a wasteful number, since it uses less digits than its factorization.
75925052957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5069.
The product of its (nonzero) digits is 9922500, while the sum is 56.
The spelling of 75925052957 in words is "seventy-five billion, nine hundred twenty-five million, fifty-two thousand, nine hundred fifty-seven".
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