Base | Representation |
---|---|
bin | 11100111101101101… |
… | …010000000001010100 |
3 | 2222021102012220011100 |
4 | 130331231100001110 |
5 | 1002143102341343 |
6 | 22142005510100 |
7 | 2150455002213 |
oct | 347555200124 |
9 | 88242186140 |
10 | 31100043348 |
11 | 1220a188970 |
12 | 603b412330 |
13 | 2c1825c71a |
14 | 171059907a |
15 | c204bc9d3 |
hex | 73db50054 |
31100043348 has 72 divisors (see below), whose sum is σ = 85813116480. Its totient is φ = 9418498560.
The previous prime is 31100043347. The next prime is 31100043349. The reversal of 31100043348 is 84334000113.
31100043348 is a `hidden beast` number, since 311 + 0 + 0 + 0 + 4 + 3 + 348 = 666.
It is an interprime number because it is at equal distance from previous prime (31100043347) and next prime (31100043349).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31100043347) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648873 + ... + 695151.
It is an arithmetic number, because the mean of its divisors is an integer number (1191848840).
Almost surely, 231100043348 is an apocalyptic number.
It is an amenable number.
31100043348 is an abundant number, since it is smaller than the sum of its proper divisors (54713073132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31100043348 is a wasteful number, since it uses less digits than its factorization.
31100043348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47997 (or 47992 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The spelling of 31100043348 in words is "thirty-one billion, one hundred million, forty-three thousand, three hundred forty-eight".
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