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389023122221201 = 1329924855555477
BaseRepresentation
bin101100001110100001000000…
…1000000100110100010010001
31220000102020200021010222101102
41120131002001000212202101
5401442223323242034301
63455214431040514145
7144640664424200426
oct13035020100464221
91800366607128342
10389023122221201
11102a55863755806
123776b35461b955
131390b952609ac0
146c0cb68cd7d4d
152ee95b6877b6b
hex161d081026891

389023122221201 has 4 divisors (see below), whose sum is σ = 418947977776692. Its totient is φ = 359098266665712.

The previous prime is 389023122221197. The next prime is 389023122221231. The reversal of 389023122221201 is 102122221320983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186477596262400 + 202545525958801 = 13655680^2 + 14231849^2 .

It is a cyclic number.

It is not a de Polignac number, because 389023122221201 - 22 = 389023122221197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389023122221231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14962427777726 + ... + 14962427777751.

It is an arithmetic number, because the mean of its divisors is an integer number (104736994444173).

Almost surely, 2389023122221201 is an apocalyptic number.

It is an amenable number.

389023122221201 is a deficient number, since it is larger than the sum of its proper divisors (29924855555491).

389023122221201 is a wasteful number, since it uses less digits than its factorization.

389023122221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29924855555490.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 389023122221201 in words is "three hundred eighty-nine trillion, twenty-three billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 13 29924855555477 389023122221201