Base | Representation |
---|---|
bin | 11101010010000010… |
… | …010100011111011000 |
3 | 10000011011222221000121 |
4 | 131102002110133120 |
5 | 1003342411023000 |
6 | 22235512043024 |
7 | 2162066014435 |
oct | 352202243730 |
9 | 100134887017 |
10 | 31441111000 |
11 | 12374762062 |
12 | 6115693474 |
13 | 2c70b08cc0 |
14 | 17439bcb8c |
15 | c403deb1a |
hex | 7520947d8 |
31441111000 has 64 divisors (see below), whose sum is σ = 79231632480. Its totient is φ = 11609020800.
The previous prime is 31441110991. The next prime is 31441111007. The reversal of 31441111000 is 11114413.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31441111007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196274 + ... + 1222273.
Almost surely, 231441111000 is an apocalyptic number.
It is an amenable number.
31441111000 is an abundant number, since it is smaller than the sum of its proper divisors (47790521480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31441111000 is a wasteful number, since it uses less digits than its factorization.
31441111000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2418581 (or 2418567 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 31441111000 its reverse (11114413), we get a palindrome (31452225413).
The spelling of 31441111000 in words is "thirty-one billion, four hundred forty-one million, one hundred eleven thousand".
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