Base | Representation |
---|---|
bin | 100100101100100… |
… | …0101110001010100 |
3 | 10011210221020021101 |
4 | 1021121011301110 |
5 | 10010204022004 |
6 | 322103155444 |
7 | 42340665514 |
oct | 11131056124 |
9 | 3153836241 |
10 | 1231314004 |
11 | 582054488 |
12 | 2a4445b84 |
13 | 16813958b |
14 | b9761844 |
15 | 73173ba4 |
hex | 49645c54 |
1231314004 has 12 divisors (see below), whose sum is σ = 2155394164. Its totient is φ = 615487104.
The previous prime is 1231314001. The next prime is 1231314059. The reversal of 1231314004 is 4004131321.
It can be written as a sum of positive squares in 2 ways, for example, as 320481604 + 910832400 = 17902^2 + 30180^2 .
It is a super-2 number, since 2×12313140042 = 3032268352893024032, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231314001) 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 3 ways as a sum of consecutive naturals, for example, 25407 + ... + 55750.
Almost surely, 21231314004 is an apocalyptic number.
It is an amenable number.
1231314004 is a deficient number, since it is larger than the sum of its proper divisors (924080160).
1231314004 is a wasteful number, since it uses less digits than its factorization.
1231314004 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84954 (or 84952 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1231314004 is about 35090.0841264309. The cubic root of 1231314004 is about 1071.8226726902.
Adding to 1231314004 its reverse (4004131321), we get a palindrome (5235445325).
The spelling of 1231314004 in words is "one billion, two hundred thirty-one million, three hundred fourteen thousand, four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •