Base | Representation |
---|---|
bin | 100011110111001111… |
… | …011110111101100001 |
3 | 10200101200011101100111 |
4 | 203313033132331201 |
5 | 1112330442112242 |
6 | 25405031051321 |
7 | 2532154433065 |
oct | 436717367541 |
9 | 120350141314 |
10 | 38507769697 |
11 | 153706a5361 |
12 | 7568210b41 |
13 | 3828b80957 |
14 | 1c1432baa5 |
15 | 10059c4817 |
hex | 8f73def61 |
38507769697 has 8 divisors (see below), whose sum is σ = 38612699136. Its totient is φ = 38402880912.
The previous prime is 38507769679. The next prime is 38507769733. The reversal of 38507769697 is 79696770583.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38507769697 - 219 = 38507245409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38507769607) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347718 + ... + 3359200.
It is an arithmetic number, because the mean of its divisors is an integer number (4826587392).
Almost surely, 238507769697 is an apocalyptic number.
It is an amenable number.
38507769697 is a deficient number, since it is larger than the sum of its proper divisors (104929439).
38507769697 is a wasteful number, since it uses less digits than its factorization.
38507769697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20327.
The product of its (nonzero) digits is 120022560, while the sum is 67.
The spelling of 38507769697 in words is "thirty-eight billion, five hundred seven million, seven hundred sixty-nine thousand, six hundred ninety-seven".
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