Base | Representation |
---|---|
bin | 11100011110111111… |
… | …100100011001000101 |
3 | 2220221111121100212221 |
4 | 130132333210121011 |
5 | 1000114144023220 |
6 | 22014521212341 |
7 | 2131630046155 |
oct | 343677443105 |
9 | 86844540787 |
10 | 30584751685 |
11 | 11a75327694 |
12 | 5b169310b1 |
13 | 2b65582307 |
14 | 16a1d82765 |
15 | be01339aa |
hex | 71efe4645 |
30584751685 has 8 divisors (see below), whose sum is σ = 37555230240. Its totient is φ = 23898782544.
The previous prime is 30584751679. The next prime is 30584751689. The reversal of 30584751685 is 58615748503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30584751685 - 27 = 30584751557 is a prime.
It is a super-2 number, since 2×305847516852 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30584751689) 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, 71127115 + ... + 71127544.
It is an arithmetic number, because the mean of its divisors is an integer number (4694403780).
Almost surely, 230584751685 is an apocalyptic number.
It is an amenable number.
30584751685 is a deficient number, since it is larger than the sum of its proper divisors (6970478555).
30584751685 is a wasteful number, since it uses less digits than its factorization.
30584751685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142254707.
The product of its (nonzero) digits is 4032000, while the sum is 52.
The spelling of 30584751685 in words is "thirty billion, five hundred eighty-four million, seven hundred fifty-one thousand, six hundred eighty-five".
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