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1830301819121 = 3749467616733
BaseRepresentation
bin11010101000100110011…
…111010110000011110001
320110222022212210001211202
4122220212133112003301
5214441424231202441
63520455024020545
7246143404524026
oct32504637260361
96428285701752
101830301819121
1164625472a906
12256884461755
1310379acc40a9
1464830d4154d
1532924e0019b
hex1aa267d60f1

1830301819121 has 4 divisors (see below), whose sum is σ = 1879769435892. Its totient is φ = 1780834202352.

The previous prime is 1830301819109. The next prime is 1830301819169. The reversal of 1830301819121 is 1219181030381.

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 1688021979121 + 142279840000 = 1299239^2 + 377200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1830301819121 - 214 = 1830301802737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830301819321) 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, 24733808330 + ... + 24733808403.

It is an arithmetic number, because the mean of its divisors is an integer number (469942358973).

Almost surely, 21830301819121 is an apocalyptic number.

It is an amenable number.

1830301819121 is a deficient number, since it is larger than the sum of its proper divisors (49467616771).

1830301819121 is an equidigital number, since it uses as much as digits as its factorization.

1830301819121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49467616770.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 1830301819121 in words is "one trillion, eight hundred thirty billion, three hundred one million, eight hundred nineteen thousand, one hundred twenty-one".

Divisors: 1 37 49467616733 1830301819121