Base | Representation |
---|---|
bin | 1101101111010100011111… |
… | …10110010010000001011000 |
3 | 10221222100120210012020022022 |
4 | 12313222033312102001120 |
5 | 12430003130103102134 |
6 | 144131431504514012 |
7 | 6235555406661545 |
oct | 667521766220130 |
9 | 127870523166268 |
10 | 30213213331544 |
11 | 96993962a5871 |
12 | 347b63401b908 |
13 | 13b212b0a44a9 |
14 | 766482289bcc |
15 | 375dad28e52e |
hex | 1b7a8fd92058 |
30213213331544 has 32 divisors (see below), whose sum is σ = 60656071071600. Its totient is φ = 14058230123520.
The previous prime is 30213213331523. The next prime is 30213213331549. The reversal of 30213213331544 is 44513331231203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30213213331549) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248055202 + ... + 1248079409.
Almost surely, 230213213331544 is an apocalyptic number.
30213213331544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
30213213331544 is an abundant number, since it is smaller than the sum of its proper divisors (30442857740056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30213213331544 is a wasteful number, since it uses less digits than its factorization.
30213213331544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2496134723 (or 2496134719 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 35.
Adding to 30213213331544 its reverse (44513331231203), we get a palindrome (74726544562747).
The spelling of 30213213331544 in words is "thirty trillion, two hundred thirteen billion, two hundred thirteen million, three hundred thirty-one thousand, five hundred forty-four".
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