Base | Representation |
---|---|
bin | 10001111110000001101… |
… | …010011001100010100110 |
3 | 11101001022111100201001210 |
4 | 101332001222121202212 |
5 | 130212413213130403 |
6 | 2343135025332250 |
7 | 155133156141222 |
oct | 21760152314246 |
9 | 4331274321053 |
10 | 1234830989478 |
11 | 4367639a1009 |
12 | 17b39a497086 |
13 | 8c5a07b4858 |
14 | 43aa23db782 |
15 | 221c29d3b03 |
hex | 11f81a998a6 |
1234830989478 has 8 divisors (see below), whose sum is σ = 2469661978968. Its totient is φ = 411610329824.
The previous prime is 1234830989477. The next prime is 1234830989531. The reversal of 1234830989478 is 8749890384321.
It is a sphenic number, since it is the product of 3 distinct primes.
1234830989478 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1234830989477) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102902582451 + ... + 102902582462.
It is an arithmetic number, because the mean of its divisors is an integer number (308707747371).
Almost surely, 21234830989478 is an apocalyptic number.
1234830989478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1234830989478 is a wasteful number, since it uses less digits than its factorization.
1234830989478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205805164918.
The product of its (nonzero) digits is 83607552, while the sum is 66.
The spelling of 1234830989478 in words is "one trillion, two hundred thirty-four billion, eight hundred thirty million, nine hundred eighty-nine thousand, four hundred seventy-eight".
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