Base | Representation |
---|---|
bin | 1011101000000111… |
… | …0010100010100110 |
3 | 22001111202211010010 |
4 | 2322001302202212 |
5 | 22342441000314 |
6 | 1233410311050 |
7 | 140225220501 |
oct | 27201624246 |
9 | 8044684103 |
10 | 3121031334 |
11 | 1361817043 |
12 | 731288486 |
13 | 3a97aca05 |
14 | 218710138 |
15 | 134000059 |
hex | ba0728a6 |
3121031334 has 32 divisors (see below), whose sum is σ = 6383794176. Its totient is φ = 1016784000.
The previous prime is 3121031323. The next prime is 3121031341. The reversal of 3121031334 is 4331301213.
It is a self number, because there is not a number n which added to its sum of digits gives 3121031334.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204414 + ... + 219150.
It is an arithmetic number, because the mean of its divisors is an integer number (199493568).
Almost surely, 23121031334 is an apocalyptic number.
3121031334 is an abundant number, since it is smaller than the sum of its proper divisors (3262762842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121031334 is a wasteful number, since it uses less digits than its factorization.
3121031334 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15540.
The product of its (nonzero) digits is 648, while the sum is 21.
The square root of 3121031334 is about 55866.1913325045. The cubic root of 3121031334 is about 1461.3897029360.
Adding to 3121031334 its reverse (4331301213), we get a palindrome (7452332547).
The spelling of 3121031334 in words is "three billion, one hundred twenty-one million, thirty-one thousand, three hundred thirty-four".
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