Base | Representation |
---|---|
bin | 100000010110010110… |
… | …1110100101011011010 |
3 | 20122022110110201111111 |
4 | 1000230231310223122 |
5 | 2114233214431430 |
6 | 51525224250534 |
7 | 5006344410061 |
oct | 1005455645332 |
9 | 218273421444 |
10 | 69469686490 |
11 | 27509910746 |
12 | 11569310a4a |
13 | 672160a989 |
14 | 351040d1d8 |
15 | 1c18caac2a |
hex | 102cb74ada |
69469686490 has 8 divisors (see below), whose sum is σ = 125045435700. Its totient is φ = 27787874592.
The previous prime is 69469686487. The next prime is 69469686497. The reversal of 69469686490 is 9468696496.
It can be written as a sum of positive squares in 2 ways, for example, as 69344268889 + 125417601 = 263333^2 + 11199^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (69469686497) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473484315 + ... + 3473484334.
Almost surely, 269469686490 is an apocalyptic number.
69469686490 is a deficient number, since it is larger than the sum of its proper divisors (55575749210).
69469686490 is a wasteful number, since it uses less digits than its factorization.
69469686490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6946968656.
The product of its (nonzero) digits is 120932352, while the sum is 67.
The spelling of 69469686490 in words is "sixty-nine billion, four hundred sixty-nine million, six hundred eighty-six thousand, four hundred ninety".
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