Base | Representation |
---|---|
bin | 11011001011010001… |
… | …110011001100000100 |
3 | 2210022121210000120012 |
4 | 123023101303030010 |
5 | 434230120312430 |
6 | 21223305525352 |
7 | 2052053662553 |
oct | 331321631404 |
9 | 83277700505 |
10 | 29180244740 |
11 | 1141453a849 |
12 | 57a44a3858 |
13 | 29a05b630a |
14 | 15ab619d9a |
15 | b5bb9d695 |
hex | 6cb473304 |
29180244740 has 24 divisors (see below), whose sum is σ = 62117948760. Its totient is φ = 11512205568.
The previous prime is 29180244697. The next prime is 29180244787. The reversal of 29180244740 is 4744208192.
It can be written as a sum of positive squares in 4 ways, for example, as 719205124 + 28461039616 = 26818^2 + 168704^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9991775 + ... + 9994694.
It is an arithmetic number, because the mean of its divisors is an integer number (2588247865).
Almost surely, 229180244740 is an apocalyptic number.
29180244740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29180244740 is an abundant number, since it is smaller than the sum of its proper divisors (32937704020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29180244740 is a wasteful number, since it uses less digits than its factorization.
29180244740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19986551 (or 19986549 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 41.
The spelling of 29180244740 in words is "twenty-nine billion, one hundred eighty million, two hundred forty-four thousand, seven hundred forty".
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