Base | Representation |
---|---|
bin | 11100111010110110… |
… | …110010100001111011 |
3 | 2222011002012211100210 |
4 | 130322312302201323 |
5 | 1002043331243342 |
6 | 22133140402203 |
7 | 2146334310222 |
oct | 347266624173 |
9 | 88132184323 |
10 | 31052212347 |
11 | 12195189812 |
12 | 60273a6363 |
13 | 2c0b383660 |
14 | 17080a7cb9 |
15 | c1b1c079c |
hex | 73adb287b |
31052212347 has 128 divisors (see below), whose sum is σ = 49746493440. Its totient is φ = 17066649600.
The previous prime is 31052212337. The next prime is 31052212351. The reversal of 31052212347 is 74321225013.
It is not a de Polignac number, because 31052212347 - 226 = 30985103483 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31052212337) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 139247478 + ... + 139247700.
It is an arithmetic number, because the mean of its divisors is an integer number (388644480).
Almost surely, 231052212347 is an apocalyptic number.
31052212347 is a deficient number, since it is larger than the sum of its proper divisors (18694281093).
31052212347 is a wasteful number, since it uses less digits than its factorization.
31052212347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 445.
The product of its (nonzero) digits is 10080, while the sum is 30.
The spelling of 31052212347 in words is "thirty-one billion, fifty-two million, two hundred twelve thousand, three hundred forty-seven".
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