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321230243400421 = 1787587215738599
BaseRepresentation
bin100100100001010000011111…
…0100011001000101011100101
31120010101022101222102010110211
41021002200332203020223211
5314101014014302303141
63055111045300015421
7124443055614051055
oct11102407643105345
91503338358363424
10321230243400421
1193398a87a42a53
12300406a6691571
1310a31b6090a154
1459478abaa5565
152720e08587d81
hex124283e8c8ae5

321230243400421 has 8 divisors (see below), whose sum is σ = 340130024942400. Its totient is φ = 302330893510848.

The previous prime is 321230243400419. The next prime is 321230243400449. The reversal of 321230243400421 is 124004342032123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321230243400421 - 21 = 321230243400419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230243400721) 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, 106380321 + ... + 109358278.

It is an arithmetic number, because the mean of its divisors is an integer number (42516253117800).

Almost surely, 2321230243400421 is an apocalyptic number.

It is an amenable number.

321230243400421 is a deficient number, since it is larger than the sum of its proper divisors (18899781541979).

321230243400421 is a wasteful number, since it uses less digits than its factorization.

321230243400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215826203.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321230243400421 its reverse (124004342032123), we get a palindrome (445234585432544).

The spelling of 321230243400421 in words is "three hundred twenty-one trillion, two hundred thirty billion, two hundred forty-three million, four hundred thousand, four hundred twenty-one".

Divisors: 1 17 87587 1488979 215738599 3667556183 18895896670613 321230243400421