Base | Representation |
---|---|
bin | 11000001101110000… |
… | …00000111010000010 |
3 | 1020120000021001222022 |
4 | 30012320000322002 |
5 | 203111030431322 |
6 | 5550000241442 |
7 | 640105202321 |
oct | 140670007202 |
9 | 36500231868 |
10 | 13000248962 |
11 | 5571335508 |
12 | 2629910282 |
13 | 12c245b10c |
14 | 8b47d20b8 |
15 | 5114a0942 |
hex | 306e00e82 |
13000248962 has 4 divisors (see below), whose sum is σ = 19500373446. Its totient is φ = 6500124480.
The previous prime is 13000248949. The next prime is 13000248967. The reversal of 13000248962 is 26984200031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26984200031 = 1279 ⋅21097889.
It can be written as a sum of positive squares in only one way, i.e., 8523167041 + 4477081921 = 92321^2 + 66911^2 .
It is not an unprimeable number, because it can be changed into a prime (13000248967) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3250062239 + ... + 3250062242.
Almost surely, 213000248962 is an apocalyptic number.
13000248962 is a deficient number, since it is larger than the sum of its proper divisors (6500124484).
13000248962 is an equidigital number, since it uses as much as digits as its factorization.
13000248962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6500124483.
The product of its (nonzero) digits is 20736, while the sum is 35.
Adding to 13000248962 its reverse (26984200031), we get a palindrome (39984448993).
The spelling of 13000248962 in words is "thirteen billion, two hundred forty-eight thousand, nine hundred sixty-two".
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