| Base | Representation |
|---|---|
| bin | 111101000011010000… |
| … | …011101010001000001 |
| 3 | 20021012111100012112101 |
| 4 | 331003100131101001 |
| 5 | 2033223020201324 |
| 6 | 50040430030401 |
| 7 | 4510314301021 |
| oct | 750320352101 |
| 9 | 207174305471 |
| 10 | 65552897089 |
| 11 | 258899a0909 |
| 12 | 10855648401 |
| 13 | 6249001b04 |
| 14 | 325c159a81 |
| 15 | 1a89ec0944 |
| hex | f4341d441 |
65552897089 has 3 divisors (see below), whose sum is σ = 65553153123. Its totient is φ = 65552641056.
The previous prime is 65552896999. The next prime is 65552897161. The reversal of 65552897089 is 98079825556.
The square root of 65552897089 is 256033.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 429940225 + 65122956864 = 20735^2 + 255192^2 .
It is a de Polignac number, because none of the positive numbers 2k-65552897089 is a prime.
It is a super-2 number, since 2×655528970892 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 65552897089.
It is not an unprimeable number, because it can be changed into a prime (65552897989) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 128017 + ... + 384049.
It is an arithmetic number, because the mean of its divisors is an integer number (21851051041).
Almost surely, 265552897089 is an apocalyptic number.
65552897089 is the 256033-rd square number.
65552897089 is the 128017-th centered octagonal number.
It is an amenable number.
65552897089 is a deficient number, since it is larger than the sum of its proper divisors (256034).
65552897089 is an frugal number, since it uses more digits than its factorization.
65552897089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 512066 (or 256033 counting only the distinct ones).
The product of its (nonzero) digits is 54432000, while the sum is 64.
Multiplying 65552897089 by its sum of digits (64), we get a square (4195385413696 = 20482642).
The spelling of 65552897089 in words is "sixty-five billion, five hundred fifty-two million, eight hundred ninety-seven thousand, eighty-nine".
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