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1234830989478 = 23205805164913
BaseRepresentation
bin10001111110000001101…
…010011001100010100110
311101001022111100201001210
4101332001222121202212
5130212413213130403
62343135025332250
7155133156141222
oct21760152314246
94331274321053
101234830989478
114367639a1009
1217b39a497086
138c5a07b4858
1443aa23db782
15221c29d3b03
hex11f81a998a6

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".

Divisors: 1 2 3 6 205805164913 411610329826 617415494739 1234830989478