Base | Representation |
---|---|
bin | 11100001110101000… |
… | …010111000000110000 |
3 | 2220020101001022211100 |
4 | 130032220113000300 |
5 | 444033404411422 |
6 | 21531353244400 |
7 | 2122054502436 |
oct | 341650270060 |
9 | 86211038740 |
10 | 30310232112 |
11 | 11944377006 |
12 | 5a5aa03700 |
13 | 2b207362b4 |
14 | 1677722d56 |
15 | bc5ea97ac |
hex | 70ea17030 |
30310232112 has 30 divisors (see below), whose sum is σ = 84826552772. Its totient is φ = 10103410656.
The previous prime is 30310232047. The next prime is 30310232137. The reversal of 30310232112 is 21123201303.
30310232112 is a `hidden beast` number, since 30 + 310 + 2 + 321 + 1 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105243718 + ... + 105244005.
Almost surely, 230310232112 is an apocalyptic number.
It is an amenable number.
30310232112 is an abundant number, since it is smaller than the sum of its proper divisors (54516320660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30310232112 is a wasteful number, since it uses less digits than its factorization.
30310232112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210487737 (or 210487728 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30310232112 its reverse (21123201303), we get a palindrome (51433433415).
The spelling of 30310232112 in words is "thirty billion, three hundred ten million, two hundred thirty-two thousand, one hundred twelve".
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