Base | Representation |
---|---|
bin | 1101101111010100100001… |
… | …11110101011101011110111 |
3 | 10221222100122002220111021021 |
4 | 12313222100332223223313 |
5 | 12430003144432423111 |
6 | 144131433423402011 |
7 | 6235556030210410 |
oct | 667522076535367 |
9 | 127870562814237 |
10 | 30213232311031 |
11 | 96993a5a893a0 |
12 | 347b63a453307 |
13 | 13b2131cbb263 |
14 | 7664849ca807 |
15 | 375daec8cd71 |
hex | 1b7a90fabaf7 |
30213232311031 has 16 divisors (see below), whose sum is σ = 37673028246528. Its totient is φ = 23539914194400.
The previous prime is 30213232311001. The next prime is 30213232311107. The reversal of 30213232311031 is 13011323231203.
It is a cyclic number.
It is not a de Polignac number, because 30213232311031 - 211 = 30213232308983 is a prime.
It is a super-2 number, since 2×302132323110312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30213232310987 and 30213232311005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30213232311001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23231455 + ... + 24497488.
It is an arithmetic number, because the mean of its divisors is an integer number (2354564265408).
Almost surely, 230213232311031 is an apocalyptic number.
30213232311031 is a deficient number, since it is larger than the sum of its proper divisors (7459795935497).
30213232311031 is a wasteful number, since it uses less digits than its factorization.
30213232311031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47737182.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 30213232311031 its reverse (13011323231203), we get a palindrome (43224555542234).
The spelling of 30213232311031 in words is "thirty trillion, two hundred thirteen billion, two hundred thirty-two million, three hundred eleven thousand, thirty-one".
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