Base | Representation |
---|---|
bin | 11100110101010001… |
… | …110010101111111110 |
3 | 2221220120010020112212 |
4 | 130311101302233332 |
5 | 1001400402042323 |
6 | 22115554500422 |
7 | 2144116665125 |
oct | 346521625776 |
9 | 87816106485 |
10 | 30958627838 |
11 | 1214737a346 |
12 | 5bbbb94712 |
13 | 2bc4b77cc8 |
14 | 16d98a6abc |
15 | c12d86b78 |
hex | 735472bfe |
30958627838 has 8 divisors (see below), whose sum is σ = 46706369688. Its totient is φ = 15389837944.
The previous prime is 30958627837. The next prime is 30958627841. The reversal of 30958627838 is 83872685903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×309586278383 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30958627837) 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, 44737556 + ... + 44738247.
It is an arithmetic number, because the mean of its divisors is an integer number (5838296211).
Almost surely, 230958627838 is an apocalyptic number.
30958627838 is a deficient number, since it is larger than the sum of its proper divisors (15747741850).
30958627838 is a wasteful number, since it uses less digits than its factorization.
30958627838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89475978.
The product of its (nonzero) digits is 17418240, while the sum is 59.
The spelling of 30958627838 in words is "thirty billion, nine hundred fifty-eight million, six hundred twenty-seven thousand, eight hundred thirty-eight".
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