| Base | Representation |
|---|---|
| bin | 100100110100000100… |
| … | …000111010101000001 |
| 3 | 10210000210021120212111 |
| 4 | 210310010013111001 |
| 5 | 1121423204340424 |
| 6 | 30054202255321 |
| 7 | 2566355103052 |
| oct | 446404072501 |
| 9 | 123023246774 |
| 10 | 39528199489 |
| 11 | 15844702369 |
| 12 | 77b1ab7541 |
| 13 | 395c3c1a6c |
| 14 | 1cada76729 |
| 15 | 106538e194 |
| hex | 934107541 |
39528199489 has 3 divisors (see below), whose sum is σ = 39528398307. Its totient is φ = 39528000672.
The previous prime is 39528199457. The next prime is 39528199493. The reversal of 39528199489 is 98499182593.
The square root of 39528199489 is 198817.
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, and also an emirpimes, since its reverse is a distinct semiprime: 98499182593 = 7 ⋅14071311799.
It can be written as a sum of positive squares in only one way, i.e., 38202657025 + 1325542464 = 195455^2 + 36408^2 .
It is not a de Polignac number, because 39528199489 - 25 = 39528199457 is a prime.
It is a super-2 number, since 2×395281994892 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (39528199429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 99409 + ... + 298225.
It is an arithmetic number, because the mean of its divisors is an integer number (13176132769).
Almost surely, 239528199489 is an apocalyptic number.
39528199489 is the 198817-th square number.
39528199489 is the 99409-th centered octagonal number.
It is an amenable number.
39528199489 is a deficient number, since it is larger than the sum of its proper divisors (198818).
39528199489 is an frugal number, since it uses more digits than its factorization.
39528199489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 397634 (or 198817 counting only the distinct ones).
The product of its digits is 50388480, while the sum is 67.
The spelling of 39528199489 in words is "thirty-nine billion, five hundred twenty-eight million, one hundred ninety-nine thousand, four hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •