Base | Representation |
---|---|
bin | 101101011101111111… |
… | …1001110000101011101 |
3 | 100100000220220010101022 |
4 | 1122323333032011131 |
5 | 3044433124131134 |
6 | 112505012253525 |
7 | 10024455305051 |
oct | 1327377160535 |
9 | 310026803338 |
10 | 97643192669 |
11 | 38457044950 |
12 | 16b106112a5 |
13 | 92914678a9 |
14 | 4a24045c61 |
15 | 281739652e |
hex | 16bbfce15d |
97643192669 has 8 divisors (see below), whose sum is σ = 111151144512. Its totient is φ = 84907123840.
The previous prime is 97643192651. The next prime is 97643192671. The reversal of 97643192669 is 96629134679.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-97643192669 is a prime.
It is a super-2 number, since 2×976431926692 (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 (97643192609) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192970484 + ... + 192970989.
It is an arithmetic number, because the mean of its divisors is an integer number (13893893064).
Almost surely, 297643192669 is an apocalyptic number.
It is an amenable number.
97643192669 is a deficient number, since it is larger than the sum of its proper divisors (13507951843).
97643192669 is a wasteful number, since it uses less digits than its factorization.
97643192669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385941507.
The product of its digits is 26453952, while the sum is 62.
The spelling of 97643192669 in words is "ninety-seven billion, six hundred forty-three million, one hundred ninety-two thousand, six hundred sixty-nine".
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