Base | Representation |
---|---|
bin | 11011000110101011… |
… | …111101001110000010 |
3 | 2210010020211112022000 |
4 | 123012223331032002 |
5 | 434100410343430 |
6 | 21211514524430 |
7 | 2050130151516 |
oct | 330653751602 |
9 | 83106745260 |
10 | 29103215490 |
11 | 11385008608 |
12 | 5782736716 |
13 | 298a65618b |
14 | 15a12c8146 |
15 | b55034e60 |
hex | 6c6afd382 |
29103215490 has 64 divisors (see below), whose sum is σ = 77647680000. Its totient is φ = 7756947072.
The previous prime is 29103215461. The next prime is 29103215503. The reversal of 29103215490 is 9451230192.
29103215490 is a `hidden beast` number, since 2 + 9 + 103 + 2 + 1 + 549 + 0 = 666.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530886 + ... + 583134.
It is an arithmetic number, because the mean of its divisors is an integer number (1213245000).
Almost surely, 229103215490 is an apocalyptic number.
29103215490 is an abundant number, since it is smaller than the sum of its proper divisors (48544464510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29103215490 is a wasteful number, since it uses less digits than its factorization.
29103215490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54328 (or 54322 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The spelling of 29103215490 in words is "twenty-nine billion, one hundred three million, two hundred fifteen thousand, four hundred ninety".
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