Base | Representation |
---|---|
bin | 111111111000010011… |
… | …101000010110000111 |
3 | 20120001011221121001100 |
4 | 333320103220112013 |
5 | 2110433120424444 |
6 | 51302054231143 |
7 | 4645506552144 |
oct | 777023502607 |
9 | 216034847040 |
10 | 68590404999 |
11 | 270a854a526 |
12 | 113629554b3 |
13 | 66113b977c |
14 | 34697273cb |
15 | 1bb69c2e69 |
hex | ff84e8587 |
68590404999 has 6 divisors (see below), whose sum is σ = 99075029456. Its totient is φ = 45726936660.
The previous prime is 68590404959. The next prime is 68590405003. The reversal of 68590404999 is 99940409586.
It is not a de Polignac number, because 68590404999 - 221 = 68588307847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68590404959) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3810578047 + ... + 3810578064.
Almost surely, 268590404999 is an apocalyptic number.
68590404999 is a deficient number, since it is larger than the sum of its proper divisors (30484624457).
68590404999 is a wasteful number, since it uses less digits than its factorization.
68590404999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7621156117 (or 7621156114 counting only the distinct ones).
The product of its (nonzero) digits is 25194240, while the sum is 63.
The spelling of 68590404999 in words is "sixty-eight billion, five hundred ninety million, four hundred four thousand, nine hundred ninety-nine".
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