Base | Representation |
---|---|
bin | 10010110101000100110… |
… | …110011111110011011110 |
3 | 11120200212220221102201021 |
4 | 102311010312133303132 |
5 | 132144442203332310 |
6 | 2430232235034354 |
7 | 162325022005543 |
oct | 22650466376336 |
9 | 4520786842637 |
10 | 1293940292830 |
11 | 459836620539 |
12 | 18a935b9b9ba |
13 | 95030854ab3 |
14 | 468ac876bca |
15 | 239d1e465da |
hex | 12d44d9fcde |
1293940292830 has 16 divisors (see below), whose sum is σ = 2345848590960. Its totient is φ = 513852547392.
The previous prime is 1293940292809. The next prime is 1293940292833. The reversal of 1293940292830 is 382920493921.
It is a super-2 number, since 2×12939402928302 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1293940292833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465444759 + ... + 465447538.
It is an arithmetic number, because the mean of its divisors is an integer number (146615536935).
Almost surely, 21293940292830 is an apocalyptic number.
1293940292830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1293940292830 is a deficient number, since it is larger than the sum of its proper divisors (1051908298130).
1293940292830 is a wasteful number, since it uses less digits than its factorization.
1293940292830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930892443.
The product of its (nonzero) digits is 1679616, while the sum is 52.
The spelling of 1293940292830 in words is "one trillion, two hundred ninety-three billion, nine hundred forty million, two hundred ninety-two thousand, eight hundred thirty".
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