Base | Representation |
---|---|
bin | 11100000111110101… |
… | …101000101011111100 |
3 | 2212221102121112202120 |
4 | 130013311220223330 |
5 | 443320221144433 |
6 | 21512202522540 |
7 | 2116202035020 |
oct | 340765505374 |
9 | 85842545676 |
10 | 30196271868 |
11 | 1189600aa94 |
12 | 5a28806450 |
13 | 2b02c454b9 |
14 | 166653a380 |
15 | bbae987b3 |
hex | 707d68afc |
30196271868 has 24 divisors (see below), whose sum is σ = 80523391872. Its totient is φ = 8627506224.
The previous prime is 30196271867. The next prime is 30196271869. The reversal of 30196271868 is 86817269103.
It is an interprime number because it is at equal distance from previous prime (30196271867) and next prime (30196271869).
It is a self number, because there is not a number n which added to its sum of digits gives 30196271868.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30196271863) 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, 179739630 + ... + 179739797.
It is an arithmetic number, because the mean of its divisors is an integer number (3355141328).
Almost surely, 230196271868 is an apocalyptic number.
It is an amenable number.
30196271868 is an abundant number, since it is smaller than the sum of its proper divisors (50327120004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30196271868 is a wasteful number, since it uses less digits than its factorization.
30196271868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359479441 (or 359479439 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 30196271868 in words is "thirty billion, one hundred ninety-six million, two hundred seventy-one thousand, eight hundred sixty-eight".
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