Base | Representation |
---|---|
bin | 11011111001000111… |
… | …101100110110100111 |
3 | 2212022012222120122210 |
4 | 123321013230312213 |
5 | 442314013134122 |
6 | 21431502254503 |
7 | 2110113161064 |
oct | 337107546647 |
9 | 85265876583 |
10 | 29949349287 |
11 | 11779699440 |
12 | 5979b87433 |
13 | 2a93a3c770 |
14 | 1641821c6b |
15 | ba447140c |
hex | 6f91ecda7 |
29949349287 has 16 divisors (see below), whose sum is σ = 46913666688. Its totient is φ = 16754880480.
The previous prime is 29949349277. The next prime is 29949349303. The reversal of 29949349287 is 78294394992.
It is not a de Polignac number, because 29949349287 - 216 = 29949283751 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29949349207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34905573 + ... + 34906430.
It is an arithmetic number, because the mean of its divisors is an integer number (2932104168).
Almost surely, 229949349287 is an apocalyptic number.
29949349287 is a deficient number, since it is larger than the sum of its proper divisors (16964317401).
29949349287 is a wasteful number, since it uses less digits than its factorization.
29949349287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69812030.
The product of its digits is 70543872, while the sum is 66.
The spelling of 29949349287 in words is "twenty-nine billion, nine hundred forty-nine million, three hundred forty-nine thousand, two hundred eighty-seven".
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