Base | Representation |
---|---|
bin | 1101101111100001101100… |
… | …10000100011010000010111 |
3 | 10222000000212200101121101001 |
4 | 12313300312100203100113 |
5 | 12430112133322444111 |
6 | 144135003025044131 |
7 | 6236226132253501 |
oct | 667606620432027 |
9 | 128000780347331 |
10 | 30220300203031 |
11 | 96a13a2694254 |
12 | 3480a91486647 |
13 | 13b29ba3a5383 |
14 | 76695557ad71 |
15 | 3761755181c1 |
hex | 1b7c36423417 |
30220300203031 has 16 divisors (see below), whose sum is σ = 31858203817440. Its totient is φ = 28587137846400.
The previous prime is 30220300203019. The next prime is 30220300203083. The reversal of 30220300203031 is 13030200302203.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30220300203031 - 211 = 30220300200983 is a prime.
It is a super-2 number, since 2×302203002030312 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220300203001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246246921 + ... + 246369613.
It is an arithmetic number, because the mean of its divisors is an integer number (1991137738590).
Almost surely, 230220300203031 is an apocalyptic number.
30220300203031 is a deficient number, since it is larger than the sum of its proper divisors (1637903614409).
30220300203031 is a wasteful number, since it uses less digits than its factorization.
30220300203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141906.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 30220300203031 its reverse (13030200302203), we get a palindrome (43250500505234).
The spelling of 30220300203031 in words is "thirty trillion, two hundred twenty billion, three hundred million, two hundred three thousand, thirty-one".
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