Base | Representation |
---|---|
bin | 11100000110010110… |
… | …000001001111010101 |
3 | 2212212200110002200210 |
4 | 130012112001033111 |
5 | 443242312102423 |
6 | 21505505400033 |
7 | 2115446011332 |
oct | 340626011725 |
9 | 85780402623 |
10 | 30171206613 |
11 | 118829500a9 |
12 | 5a20339019 |
13 | 2aca9aa6a2 |
14 | 1663093989 |
15 | bb8b96b93 |
hex | 7065813d5 |
30171206613 has 16 divisors (see below), whose sum is σ = 40339918080. Its totient is φ = 20058361344.
The previous prime is 30171206591. The next prime is 30171206621. The reversal of 30171206613 is 31660217103.
It is not a de Polignac number, because 30171206613 - 28 = 30171206357 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30171206713) 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, 3852820 + ... + 3860642.
It is an arithmetic number, because the mean of its divisors is an integer number (2521244880).
Almost surely, 230171206613 is an apocalyptic number.
It is an amenable number.
30171206613 is a deficient number, since it is larger than the sum of its proper divisors (10168711467).
30171206613 is a wasteful number, since it uses less digits than its factorization.
30171206613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11228.
The product of its (nonzero) digits is 4536, while the sum is 30.
The spelling of 30171206613 in words is "thirty billion, one hundred seventy-one million, two hundred six thousand, six hundred thirteen".
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