Base | Representation |
---|---|
bin | 100000010011110001… |
… | …1010100110100100001 |
3 | 20122002102110001111100 |
4 | 1000213203110310201 |
5 | 2114044030022411 |
6 | 51512451305013 |
7 | 5004243116115 |
oct | 1004743246441 |
9 | 218072401440 |
10 | 69383048481 |
11 | 27474a1628a |
12 | 115442ab169 |
13 | 6709695096 |
14 | 3502ad9745 |
15 | 1c11395456 |
hex | 10278d4d21 |
69383048481 has 48 divisors (see below), whose sum is σ = 108839427840. Its totient is φ = 42421639680.
The previous prime is 69383048473. The next prime is 69383048489. The reversal of 69383048481 is 18484038396.
69383048481 is a `hidden beast` number, since 6 + 9 + 3 + 83 + 0 + 484 + 81 = 666.
It is an interprime number because it is at equal distance from previous prime (69383048473) and next prime (69383048489).
It is not a de Polignac number, because 69383048481 - 23 = 69383048473 is a prime.
It is a super-2 number, since 2×693830484812 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (69383048489) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2823315 + ... + 2847783.
It is an arithmetic number, because the mean of its divisors is an integer number (2267488080).
Almost surely, 269383048481 is an apocalyptic number.
It is an amenable number.
69383048481 is a deficient number, since it is larger than the sum of its proper divisors (39456379359).
69383048481 is a wasteful number, since it uses less digits than its factorization.
69383048481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24966 (or 24963 counting only the distinct ones).
The product of its (nonzero) digits is 3981312, while the sum is 54.
The spelling of 69383048481 in words is "sixty-nine billion, three hundred eighty-three million, forty-eight thousand, four hundred eighty-one".
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