Base | Representation |
---|---|
bin | 11100001110101100… |
… | …000110000001111100 |
3 | 2220020102220001210100 |
4 | 130032230012001330 |
5 | 444034132224012 |
6 | 21531430241100 |
7 | 2122066020636 |
oct | 341654060174 |
9 | 86212801710 |
10 | 30311211132 |
11 | 11944985614 |
12 | 5a5b1b6190 |
13 | 2b209b9ab7 |
14 | 16778d9a56 |
15 | bc60ee8dc |
hex | 70eb0607c |
30311211132 has 54 divisors (see below), whose sum is σ = 78093203552. Its totient is φ = 9913067424.
The previous prime is 30311211127. The next prime is 30311211169. The reversal of 30311211132 is 23111211303.
It is a super-3 number, since 3×303112111323 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 48748 + ... + 250995.
Almost surely, 230311211132 is an apocalyptic number.
It is an amenable number.
30311211132 is an abundant number, since it is smaller than the sum of its proper divisors (47781992420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311211132 is a wasteful number, since it uses less digits than its factorization.
30311211132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299859 (or 299801 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 30311211132 its reverse (23111211303), we get a palindrome (53422422435).
The spelling of 30311211132 in words is "thirty billion, three hundred eleven million, two hundred eleven thousand, one hundred thirty-two".
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