Base | Representation |
---|---|
bin | 1101101001101100000001… |
… | …10001110000000110101110 |
3 | 10221021212001121011211010200 |
4 | 12310312000301300012232 |
5 | 12413320304330114421 |
6 | 143502504231014330 |
7 | 6215564553642552 |
oct | 664660061600656 |
9 | 127255047154120 |
10 | 30019686957486 |
11 | 9624306748656 |
12 | 344a02450a3a6 |
13 | 1399ac9000715 |
14 | 75ad63c65862 |
15 | 370d3330b726 |
hex | 1b4d80c701ae |
30019686957486 has 24 divisors (see below), whose sum is σ = 65539163897064. Its totient is φ = 9930176346480.
The previous prime is 30019686957451. The next prime is 30019686957493. The reversal of 30019686957486 is 68475968691003.
30019686957486 is a `hidden beast` number, since 3 + 0 + 0 + 1 + 96 + 8 + 6 + 9 + 57 + 486 = 666.
It is a super-3 number, since 3×300196869574863 (a number of 41 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6365495301 + ... + 6365500016.
It is an arithmetic number, because the mean of its divisors is an integer number (2730798495711).
Almost surely, 230019686957486 is an apocalyptic number.
30019686957486 is an abundant number, since it is smaller than the sum of its proper divisors (35519476939578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30019686957486 is a wasteful number, since it uses less digits than its factorization.
30019686957486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12730995456 (or 12730995453 counting only the distinct ones).
The product of its (nonzero) digits is 470292480, while the sum is 72.
The spelling of 30019686957486 in words is "thirty trillion, nineteen billion, six hundred eighty-six million, nine hundred fifty-seven thousand, four hundred eighty-six".
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