Base | Representation |
---|---|
bin | 11001111010001101… |
… | …01111011111111001 |
3 | 1022220102021020210221 |
4 | 30331012233133321 |
5 | 211441440020411 |
6 | 10220141140041 |
7 | 1001463503404 |
oct | 147506573771 |
9 | 38812236727 |
10 | 13910079481 |
11 | 5998971661 |
12 | 284255a621 |
13 | 1408ab717c |
14 | 95d58ad3b |
15 | 5662c0071 |
hex | 33d1af7f9 |
13910079481 has 9 divisors (see below), whose sum is σ = 14156921541. Its totient is φ = 13667474844.
The previous prime is 13910079433. The next prime is 13910079487. The reversal of 13910079481 is 18497001931.
The square root of 13910079481 is 117941.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 13910079481 - 213 = 13910071289 is a prime.
It is a super-2 number, since 2×139100794812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13910079487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6957520 + ... + 6959518.
Almost surely, 213910079481 is an apocalyptic number.
13910079481 is the 117941-st square number.
13910079481 is the 58971-st centered octagonal number.
It is an amenable number.
13910079481 is a deficient number, since it is larger than the sum of its proper divisors (246842060).
13910079481 is an frugal number, since it uses more digits than its factorization.
13910079481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4116 (or 2058 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 43.
The spelling of 13910079481 in words is "thirteen billion, nine hundred ten million, seventy-nine thousand, four hundred eighty-one".
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