Base | Representation |
---|---|
bin | 11100010000110111… |
… | …010101110101001111 |
3 | 2220022222120121010122 |
4 | 130100313111311033 |
5 | 444123003320441 |
6 | 21535212455155 |
7 | 2123021211626 |
oct | 342067256517 |
9 | 86288517118 |
10 | 30347713871 |
11 | 11963547672 |
12 | 5a6b47a4bb |
13 | 2b2842a857 |
14 | 167c6bc6bd |
15 | bc941034b |
hex | 710dd5d4f |
30347713871 has 4 divisors (see below), whose sum is σ = 31167922392. Its totient is φ = 29527505352.
The previous prime is 30347713853. The next prime is 30347713889. The reversal of 30347713871 is 17831774303.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (30347713853) and next prime (30347713889).
It is a cyclic number.
It is not a de Polignac number, because 30347713871 - 210 = 30347712847 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30347713801) 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, 410104205 + ... + 410104278.
It is an arithmetic number, because the mean of its divisors is an integer number (7791980598).
Almost surely, 230347713871 is an apocalyptic number.
30347713871 is a deficient number, since it is larger than the sum of its proper divisors (820208521).
30347713871 is an equidigital number, since it uses as much as digits as its factorization.
30347713871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 820208520.
The product of its (nonzero) digits is 296352, while the sum is 44.
The spelling of 30347713871 in words is "thirty billion, three hundred forty-seven million, seven hundred thirteen thousand, eight hundred seventy-one".
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