Base | Representation |
---|---|
bin | 11011010010110010… |
… | …111000101011010001 |
3 | 2210122102002021002111 |
4 | 123102302320223101 |
5 | 440004411432411 |
6 | 21244012545321 |
7 | 2055144636241 |
oct | 332262705321 |
9 | 83572067074 |
10 | 29306358481 |
11 | 11479747984 |
12 | 581a782241 |
13 | 29c0770c2a |
14 | 15c0287b21 |
15 | b67cb0721 |
hex | 6d2cb8ad1 |
29306358481 has 9 divisors (see below), whose sum is σ = 29492241051. Its totient is φ = 29121643392.
The previous prime is 29306358449. The next prime is 29306358517. The reversal of 29306358481 is 18485360392.
The square root of 29306358481 is 171191.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 7100590225 + 22205768256 = 84265^2 + 149016^2 .
It is not a de Polignac number, because 29306358481 - 25 = 29306358449 is a prime.
It is a super-2 number, since 2×293063584812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29306308481) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33039420 + ... + 33040306.
Almost surely, 229306358481 is an apocalyptic number.
29306358481 is the 171191-st square number.
29306358481 is the 85596-th centered octagonal number.
It is an amenable number.
29306358481 is a deficient number, since it is larger than the sum of its proper divisors (185882570).
29306358481 is an frugal number, since it uses more digits than its factorization.
29306358481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2160 (or 1080 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 49.
Multiplying 29306358481 by its sum of digits (49), we get a square (1436011565569 = 11983372).
The spelling of 29306358481 in words is "twenty-nine billion, three hundred six million, three hundred fifty-eight thousand, four hundred eighty-one".
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