Base | Representation |
---|---|
bin | 11011001010101100… |
… | …110110110010010001 |
3 | 2210021221112222210111 |
4 | 123022230312302101 |
5 | 434220130411040 |
6 | 21222322201321 |
7 | 2051605445566 |
oct | 331254666221 |
9 | 83257488714 |
10 | 29170560145 |
11 | 1140a025651 |
12 | 57a11b3241 |
13 | 299b5a519c |
14 | 15aa21886d |
15 | b5add8dea |
hex | 6cab36c91 |
29170560145 has 8 divisors (see below), whose sum is σ = 35031585960. Its totient is φ = 23318505600.
The previous prime is 29170560143. The next prime is 29170560149. The reversal of 29170560145 is 54106507192.
It can be written as a sum of positive squares in 4 ways, for example, as 4627264576 + 24543295569 = 68024^2 + 156663^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 29170560145 - 21 = 29170560143 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 29170560098 and 29170560107.
It is not an unprimeable number, because it can be changed into a prime (29170560143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235660 + ... + 2248669.
It is an arithmetic number, because the mean of its divisors is an integer number (4378948245).
Almost surely, 229170560145 is an apocalyptic number.
It is an amenable number.
29170560145 is a deficient number, since it is larger than the sum of its proper divisors (5861025815).
29170560145 is a wasteful number, since it uses less digits than its factorization.
29170560145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4485635.
The product of its (nonzero) digits is 75600, while the sum is 40.
The spelling of 29170560145 in words is "twenty-nine billion, one hundred seventy million, five hundred sixty thousand, one hundred forty-five".
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