Base | Representation |
---|---|
bin | 1001000001011101011… |
… | …00010011001011001000 |
3 | 1002122012220020002100002 |
4 | 10200232230103023020 |
5 | 20034410334310440 |
6 | 354231030102132 |
7 | 31253416051313 |
oct | 4405654231310 |
9 | 1078186202302 |
10 | 310021010120 |
11 | 10a52a861548 |
12 | 501014aa948 |
13 | 23308c941b3 |
14 | 1100ddb397a |
15 | 80e731c115 |
hex | 482eb132c8 |
310021010120 has 16 divisors (see below), whose sum is σ = 697547272860. Its totient is φ = 124008404032.
The previous prime is 310021010107. The next prime is 310021010129. The reversal of 310021010120 is 21010120013.
It can be written as a sum of positive squares in 2 ways, for example, as 309062612356 + 958397764 = 555934^2 + 30958^2 .
It is a super-2 number, since 2×3100210101202 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (310021010129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875262587 + ... + 3875262666.
Almost surely, 2310021010120 is an apocalyptic number.
It is an amenable number.
310021010120 is an abundant number, since it is smaller than the sum of its proper divisors (387526262740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310021010120 is a wasteful number, since it uses less digits than its factorization.
310021010120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7750525264 (or 7750525260 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 310021010120 its reverse (21010120013), we get a palindrome (331031130133).
The spelling of 310021010120 in words is "three hundred ten billion, twenty-one million, ten thousand, one hundred twenty".
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