Base | Representation |
---|---|
bin | 1101101111010010100111… |
… | …01000001011010011000111 |
3 | 10221222020222101002010101200 |
4 | 12313221103220023103013 |
5 | 12424444042432013111 |
6 | 144131143333553543 |
7 | 6235521361213542 |
oct | 667512350132307 |
9 | 127866871063350 |
10 | 30212203001031 |
11 | 9698a17a66577 |
12 | 347b3b17a58b3 |
13 | 13b1cc998b19c |
14 | 7663c800d859 |
15 | 375d4e71c256 |
hex | 1b7a53a0b4c7 |
30212203001031 has 24 divisors (see below), whose sum is σ = 44904196846080. Its totient is φ = 19563156997776.
The previous prime is 30212203001009. The next prime is 30212203001053. The reversal of 30212203001031 is 13010030221203.
30212203001031 is a `hidden beast` number, since 30 + 212 + 20 + 300 + 103 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (30212203001009) and next prime (30212203001053).
It is not a de Polignac number, because 30212203001031 - 221 = 30212200903879 is a prime.
It is a super-2 number, since 2×302122030010312 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30212203000995 and 30212203001013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30212203001081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217996951 + ... + 218135496.
It is an arithmetic number, because the mean of its divisors is an integer number (1871008201920).
Almost surely, 230212203001031 is an apocalyptic number.
30212203001031 is a deficient number, since it is larger than the sum of its proper divisors (14691993845049).
30212203001031 is a wasteful number, since it uses less digits than its factorization.
30212203001031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436132675 (or 436132672 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30212203001031 its reverse (13010030221203), we get a palindrome (43222233222234).
The spelling of 30212203001031 in words is "thirty trillion, two hundred twelve billion, two hundred three million, one thousand, thirty-one".
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