Base | Representation |
---|---|
bin | 11100000011010011… |
… | …100010001001001111 |
3 | 2212202010111212202100 |
4 | 130003103202021033 |
5 | 443141234121221 |
6 | 21500444530143 |
7 | 2114256450063 |
oct | 340323421117 |
9 | 85663455670 |
10 | 30120223311 |
11 | 11857098642 |
12 | 5a07250953 |
13 | 2ac0269859 |
14 | 165a3c1aa3 |
15 | bb4475926 |
hex | 7034e224f |
30120223311 has 6 divisors (see below), whose sum is σ = 43506989240. Its totient is φ = 20080148868.
The previous prime is 30120223307. The next prime is 30120223319. The reversal of 30120223311 is 11332202103.
It is not a de Polignac number, because 30120223311 - 22 = 30120223307 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120223319) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1673345731 + ... + 1673345748.
Almost surely, 230120223311 is an apocalyptic number.
30120223311 is a deficient number, since it is larger than the sum of its proper divisors (13386765929).
30120223311 is a wasteful number, since it uses less digits than its factorization.
30120223311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3346691485 (or 3346691482 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30120223311 its reverse (11332202103), we get a palindrome (41452425414).
The spelling of 30120223311 in words is "thirty billion, one hundred twenty million, two hundred twenty-three thousand, three hundred eleven".
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