Base | Representation |
---|---|
bin | 100000010000011111… |
… | …1011101100010000001 |
3 | 20121210202100011222021 |
4 | 1000200333131202001 |
5 | 2113332340434211 |
6 | 51453520241441 |
7 | 5001435434356 |
oct | 1004077354201 |
9 | 217722304867 |
10 | 69272983681 |
11 | 2741887aa40 |
12 | 11513470281 |
13 | 66bc939395 |
14 | 34d224862d |
15 | 1c068a3771 |
hex | 1020fdd881 |
69272983681 has 16 divisors (see below), whose sum is σ = 80149564800. Its totient is φ = 59171956480.
The previous prime is 69272983673. The next prime is 69272983699. The reversal of 69272983681 is 18638927296.
It is a cyclic number.
It is not a de Polignac number, because 69272983681 - 23 = 69272983673 is a prime.
It is a super-2 number, since 2×692729836812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69272983621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197206 + ... + 421231.
It is an arithmetic number, because the mean of its divisors is an integer number (5009347800).
Almost surely, 269272983681 is an apocalyptic number.
It is an amenable number.
69272983681 is a deficient number, since it is larger than the sum of its proper divisors (10876581119).
69272983681 is a wasteful number, since it uses less digits than its factorization.
69272983681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 619064.
The product of its digits is 15676416, while the sum is 61.
The spelling of 69272983681 in words is "sixty-nine billion, two hundred seventy-two million, nine hundred eighty-three thousand, six hundred eighty-one".
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