Base | Representation |
---|---|
bin | 11100000111110101… |
… | …001111011111100000 |
3 | 2212221102102022012111 |
4 | 130013311033133200 |
5 | 443320204344142 |
6 | 21512200405104 |
7 | 2116201125115 |
oct | 340765173740 |
9 | 85842368174 |
10 | 30196168672 |
11 | 11895a4a4aa |
12 | 5a28776794 |
13 | 2b02c0a537 |
14 | 166651090c |
15 | bbae77e17 |
hex | 707d4f7e0 |
30196168672 has 24 divisors (see below), whose sum is σ = 62945690976. Its totient is φ = 14209961472.
The previous prime is 30196168669. The next prime is 30196168693. The reversal of 30196168672 is 27686169103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27753288 + ... + 27754375.
It is an arithmetic number, because the mean of its divisors is an integer number (2622737124).
Almost surely, 230196168672 is an apocalyptic number.
30196168672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30196168672 is an abundant number, since it is smaller than the sum of its proper divisors (32749522304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30196168672 is a wasteful number, since it uses less digits than its factorization.
30196168672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55507690 (or 55507682 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 49.
The spelling of 30196168672 in words is "thirty billion, one hundred ninety-six million, one hundred sixty-eight thousand, six hundred seventy-two".
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