Base | Representation |
---|---|
bin | 1101101001011110010010… |
… | …01100100100001001000011 |
3 | 10221021011000121220201220210 |
4 | 12310233021030210021003 |
5 | 12413210203333330311 |
6 | 143455244340205203 |
7 | 6215214032640036 |
oct | 664571114441103 |
9 | 127234017821823 |
10 | 30012312011331 |
11 | 9621171790431 |
12 | 3448706699803 |
13 | 13991c2118a60 |
14 | 75a8645c701d |
15 | 370a50b2c3a6 |
hex | 1b4bc9324243 |
30012312011331 has 64 divisors (see below), whose sum is σ = 43851142444032. Its totient is φ = 18146357171712.
The previous prime is 30012312011243. The next prime is 30012312011333. The reversal of 30012312011331 is 13311021321003.
It is a happy number.
It is not a de Polignac number, because 30012312011331 - 27 = 30012312011203 is a prime.
It is a super-3 number, since 3×300123120113313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 30012312011298 and 30012312011307.
It is not an unprimeable number, because it can be changed into a prime (30012312011333) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2540611381 + ... + 2540623193.
It is an arithmetic number, because the mean of its divisors is an integer number (685174100688).
Almost surely, 230012312011331 is an apocalyptic number.
30012312011331 is a deficient number, since it is larger than the sum of its proper divisors (13838830432701).
30012312011331 is a wasteful number, since it uses less digits than its factorization.
30012312011331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14332.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 30012312011331 its reverse (13311021321003), we get a palindrome (43323333332334).
The spelling of 30012312011331 in words is "thirty trillion, twelve billion, three hundred twelve million, eleven thousand, three hundred thirty-one".
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