Base | Representation |
---|---|
bin | 1101101100111100001001… |
… | …01010000110100111101000 |
3 | 10221200112110112220000020112 |
4 | 12312132010222012213220 |
5 | 12422133122312223422 |
6 | 144030103411513452 |
7 | 6226631464301204 |
oct | 666360452064750 |
9 | 127615415800215 |
10 | 30131421211112 |
11 | 9667733827121 |
12 | 3467807bb8888 |
13 | 13a74c48aacb0 |
14 | 7625234c9b04 |
15 | 373bc27c1ee2 |
hex | 1b6784a869e8 |
30131421211112 has 16 divisors (see below), whose sum is σ = 60842292830340. Its totient is φ = 13906809789696.
The previous prime is 30131421211091. The next prime is 30131421211117. The reversal of 30131421211112 is 21111212413103.
It can be written as a sum of positive squares in 2 ways, for example, as 29961326005636 + 170095205476 = 5473694^2 + 412426^2 .
It is not an unprimeable number, because it can be changed into a prime (30131421211117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144862601873 + ... + 144862602080.
Almost surely, 230131421211112 is an apocalyptic number.
It is an amenable number.
30131421211112 is an abundant number, since it is smaller than the sum of its proper divisors (30710871619228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30131421211112 is a wasteful number, since it uses less digits than its factorization.
30131421211112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289725203972 (or 289725203968 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 23.
Adding to 30131421211112 its reverse (21111212413103), we get a palindrome (51242633624215).
The spelling of 30131421211112 in words is "thirty trillion, one hundred thirty-one billion, four hundred twenty-one million, two hundred eleven thousand, one hundred twelve".
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