Base | Representation |
---|---|
bin | 11011110011111110… |
… | …000111011001010001 |
3 | 2212002012102001210000 |
4 | 123303332013121101 |
5 | 442124403403411 |
6 | 21415134400213 |
7 | 2105013614400 |
oct | 336376073121 |
9 | 85065361700 |
10 | 29862950481 |
11 | 11734947771 |
12 | 5955060069 |
13 | 2a7bb7ba00 |
14 | 1634171637 |
15 | b9baa6956 |
hex | 6f3f87651 |
29862950481 has 135 divisors (see below), whose sum is σ = 56459800683. Its totient is φ = 15677232480.
The previous prime is 29862950471. The next prime is 29862950489. The reversal of 29862950481 is 18405926892.
It is a happy number.
The square root of 29862950481 is 172809.
It is a perfect power (a square), and thus also a powerful number.
29862950481 is a `hidden beast` number, since 2 + 9 + 8 + 629 + 5 + 0 + 4 + 8 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 4417596225 + 25445354256 = 66465^2 + 159516^2 .
It is not a de Polignac number, because 29862950481 - 211 = 29862948433 is a prime.
It is a super-2 number, since 2×298629504812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29862950489) by changing a digit.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 141530466 + ... + 141530676.
Almost surely, 229862950481 is an apocalyptic number.
29862950481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
29862950481 is the 172809-th square number.
29862950481 is the 86405-th centered octagonal number.
It is an amenable number.
29862950481 is a deficient number, since it is larger than the sum of its proper divisors (26596850202).
29862950481 is an equidigital number, since it uses as much as digits as its factorization.
29862950481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474 (or 234 counting only the distinct ones).
The product of its (nonzero) digits is 2488320, while the sum is 54.
The spelling of 29862950481 in words is "twenty-nine billion, eight hundred sixty-two million, nine hundred fifty thousand, four hundred eighty-one".
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