Base | Representation |
---|---|
bin | 100111110110010… |
… | …0011111010001001 |
3 | 10110011221202222100 |
4 | 1033230203322021 |
5 | 10214243101411 |
6 | 340402144013 |
7 | 45064001511 |
oct | 11754437211 |
9 | 3404852870 |
10 | 1337081481 |
11 | 62682511a |
12 | 313952009 |
13 | 18401c298 |
14 | c9814841 |
15 | 7c5b7456 |
hex | 4fb23e89 |
1337081481 has 6 divisors (see below), whose sum is σ = 1931339930. Its totient is φ = 891387648.
The previous prime is 1337081479. The next prime is 1337081483. The reversal of 1337081481 is 1841807331.
1337081481 is a `hidden beast` number, since 1 + 33 + 70 + 81 + 481 = 666.
It is an interprime number because it is at equal distance from previous prime (1337081479) and next prime (1337081483).
It can be written as a sum of positive squares in only one way, i.e., 1323795456 + 13286025 = 36384^2 + 3645^2 .
It is not a de Polignac number, because 1337081481 - 21 = 1337081479 is a prime.
It is a super-2 number, since 2×13370814812 = 3575573773666306722, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1337081483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74282296 + ... + 74282313.
Almost surely, 21337081481 is an apocalyptic number.
It is an amenable number.
1337081481 is a deficient number, since it is larger than the sum of its proper divisors (594258449).
1337081481 is a wasteful number, since it uses less digits than its factorization.
1337081481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148564615 (or 148564612 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 1337081481 is about 36566.1247741677. The cubic root of 1337081481 is about 1101.6727939747.
The spelling of 1337081481 in words is "one billion, three hundred thirty-seven million, eighty-one thousand, four hundred eighty-one".
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