Base | Representation |
---|---|
bin | 11001100101001100… |
… | …00001100010110001 |
3 | 1022110010102210110111 |
4 | 30302212001202301 |
5 | 211111313333411 |
6 | 10150441301321 |
7 | 664222532362 |
oct | 146246014261 |
9 | 38403383414 |
10 | 13733730481 |
11 | 5908372a89 |
12 | 27b3494841 |
13 | 13ab3c1053 |
14 | 943da3b69 |
15 | 555a88721 |
hex | 3329818b1 |
13733730481 has 3 divisors (see below), whose sum is σ = 13733847673. Its totient is φ = 13733613290.
The previous prime is 13733730463. The next prime is 13733730497. The reversal of 13733730481 is 18403733731.
The square root of 13733730481 is 117191.
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 is not a de Polignac number, because 13733730481 - 29 = 13733729969 is a prime.
It is a super-2 number, since 2×137337304812 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13733730281) 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, 58596 + ... + 175786.
Almost surely, 213733730481 is an apocalyptic number.
13733730481 is the 117191-st square number.
13733730481 is the 58596-th centered octagonal number.
It is an amenable number.
13733730481 is a deficient number, since it is larger than the sum of its proper divisors (117192).
13733730481 is an frugal number, since it uses more digits than its factorization.
13733730481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234382 (or 117191 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 40.
The spelling of 13733730481 in words is "thirteen billion, seven hundred thirty-three million, seven hundred thirty thousand, four hundred eighty-one".
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