Base | Representation |
---|---|
bin | 1011101000000110… |
… | …1010111101101110 |
3 | 22001111201020112210 |
4 | 2322001222331232 |
5 | 22342434002202 |
6 | 1233405511250 |
7 | 140225031150 |
oct | 27201527556 |
9 | 8044636483 |
10 | 3121000302 |
11 | 13617a57a2 |
12 | 731272526 |
13 | 3a979b854 |
14 | 218702ad0 |
15 | 133ee5c6c |
hex | ba06af6e |
3121000302 has 32 divisors (see below), whose sum is σ = 7142482944. Its totient is φ = 890618400.
The previous prime is 3121000261. The next prime is 3121000343. The reversal of 3121000302 is 2030001213.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (3121000261) and next prime (3121000343).
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, 10774 + ... + 79737.
It is an arithmetic number, because the mean of its divisors is an integer number (223202592).
Almost surely, 23121000302 is an apocalyptic number.
3121000302 is an abundant number, since it is smaller than the sum of its proper divisors (4021482642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121000302 is a wasteful number, since it uses less digits than its factorization.
3121000302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91344.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 3121000302 is about 55865.9135967541. The cubic root of 3121000302 is about 1461.3848594520.
Adding to 3121000302 its reverse (2030001213), we get a palindrome (5151001515).
The spelling of 3121000302 in words is "three billion, one hundred twenty-one million, three hundred two", and thus it is an aban number.
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