Base | Representation |
---|---|
bin | 100000011100111011… |
… | …1100101001100111101 |
3 | 20122212211200111122221 |
4 | 1000321313211030331 |
5 | 2120211212121344 |
6 | 52003150005341 |
7 | 5014664121106 |
oct | 1007167451475 |
9 | 218784614587 |
10 | 69690348349 |
11 | 27612426216 |
12 | 1160b1a6851 |
13 | 675824a71b |
14 | 353184d3ad |
15 | 1c2d347184 |
hex | 1039de533d |
69690348349 has 32 divisors (see below), whose sum is σ = 75666700800. Its totient is φ = 63978969600.
The previous prime is 69690348341. The next prime is 69690348353. The reversal of 69690348349 is 94384309696.
It is a cyclic number.
It is not a de Polignac number, because 69690348349 - 23 = 69690348341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69690348341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73126857 + ... + 73127809.
It is an arithmetic number, because the mean of its divisors is an integer number (2364584400).
Almost surely, 269690348349 is an apocalyptic number.
It is an amenable number.
69690348349 is a deficient number, since it is larger than the sum of its proper divisors (5976352451).
69690348349 is a wasteful number, since it uses less digits than its factorization.
69690348349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1845.
The product of its (nonzero) digits is 30233088, while the sum is 61.
The spelling of 69690348349 in words is "sixty-nine billion, six hundred ninety million, three hundred forty-eight thousand, three hundred forty-nine".
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