Base | Representation |
---|---|
bin | 11100100111101011… |
… | …110001010000110111 |
3 | 2221022122222000110012 |
4 | 130213223301100313 |
5 | 1000414010301341 |
6 | 22041210250435 |
7 | 2135350264046 |
oct | 344753612067 |
9 | 87278860405 |
10 | 30730556471 |
11 | 1203a663a0a |
12 | 5b57726a1b |
13 | 2b89842834 |
14 | 16b749855d |
15 | becd350eb |
hex | 727af1437 |
30730556471 has 8 divisors (see below), whose sum is σ = 32791078320. Its totient is φ = 28714347072.
The previous prime is 30730556443. The next prime is 30730556477. The reversal of 30730556471 is 17465503703.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30730556471 is a prime.
It is a super-3 number, since 3×307305564713 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30730556477) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11076680 + ... + 11079453.
It is an arithmetic number, because the mean of its divisors is an integer number (4098884790).
Almost surely, 230730556471 is an apocalyptic number.
30730556471 is a deficient number, since it is larger than the sum of its proper divisors (2060521849).
30730556471 is a wasteful number, since it uses less digits than its factorization.
30730556471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22156225.
The product of its (nonzero) digits is 264600, while the sum is 41.
The spelling of 30730556471 in words is "thirty billion, seven hundred thirty million, five hundred fifty-six thousand, four hundred seventy-one".
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