Base | Representation |
---|---|
bin | 11100100100010000… |
… | …000101110001000001 |
3 | 2221011122121020222100 |
4 | 130210100011301001 |
5 | 1000304240000034 |
6 | 22031352101013 |
7 | 2134050634632 |
oct | 344420056101 |
9 | 87148536870 |
10 | 30672968769 |
11 | 12010100473 |
12 | 5b40394769 |
13 | 2b7a92b881 |
14 | 16ad987889 |
15 | be7c5c099 |
hex | 724405c41 |
30672968769 has 9 divisors (see below), whose sum is σ = 44306158273. Its totient is φ = 20448295572.
The previous prime is 30672968759. The next prime is 30672968783. The reversal of 30672968769 is 96786927603.
The square root of 30672968769 is 175137.
It is a perfect power (a square), and thus also a powerful number.
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 30672968769 - 25 = 30672968737 is a prime.
It is a super-3 number, since 3×306729687693 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30672968759) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 496222 + ... + 554600.
Almost surely, 230672968769 is an apocalyptic number.
30672968769 is the 175137-th square number.
30672968769 is the 87569-th centered octagonal number.
It is an amenable number.
30672968769 is a deficient number, since it is larger than the sum of its proper divisors (13633189504).
30672968769 is an frugal number, since it uses more digits than its factorization.
30672968769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116764 (or 58382 counting only the distinct ones).
The product of its (nonzero) digits is 41150592, while the sum is 63.
The spelling of 30672968769 in words is "thirty billion, six hundred seventy-two million, nine hundred sixty-eight thousand, seven hundred sixty-nine".
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