Base | Representation |
---|---|
bin | 11011111101011001… |
… | …110101010010101110 |
3 | 2212111020012112211012 |
4 | 123331121311102232 |
5 | 442440412230220 |
6 | 21442550425222 |
7 | 2111645041256 |
oct | 337531652256 |
9 | 85436175735 |
10 | 30021211310 |
11 | 11806211442 |
12 | 599a062212 |
13 | 2aa58b097c |
14 | 164b1aa966 |
15 | baa918ac5 |
hex | 6fd6754ae |
30021211310 has 32 divisors (see below), whose sum is σ = 55706957280. Its totient is φ = 11643222528.
The previous prime is 30021211247. The next prime is 30021211343. The reversal of 30021211310 is 1311212003.
It is a super-2 number, since 2×300212113102 (a number of 22 digits) contains 22 as substring.
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, 305447 + ... + 391586.
It is an arithmetic number, because the mean of its divisors is an integer number (1740842415).
Almost surely, 230021211310 is an apocalyptic number.
30021211310 is a deficient number, since it is larger than the sum of its proper divisors (25685745970).
30021211310 is a wasteful number, since it uses less digits than its factorization.
30021211310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 697172.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 30021211310 its reverse (1311212003), we get a palindrome (31332423313).
The spelling of 30021211310 in words is "thirty billion, twenty-one million, two hundred eleven thousand, three hundred ten".
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