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1830841061819 = 711161891468723
BaseRepresentation
bin11010101001000110101…
…000011001000110111011
320111000201110110102202112
4122221012220121012323
5214444030302434234
63521024325522535
7246162643153130
oct32510650310673
96430643412675
101830841061819
1164650105a930
122569b4b7344b
13103855939103
14648827d0587
153295741aace
hex1aa46a191bb

1830841061819 has 16 divisors (see below), whose sum is σ = 2282749589760. Its totient is φ = 1426540304160.

The previous prime is 1830841061807. The next prime is 1830841061837. The reversal of 1830841061819 is 9181601480381.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1830841061819 - 28 = 1830841061563 is a prime.

It is a super-2 number, since 2×18308410618192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830841061849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512192 + ... + 1980914.

It is an arithmetic number, because the mean of its divisors is an integer number (142671849360).

Almost surely, 21830841061819 is an apocalyptic number.

1830841061819 is a deficient number, since it is larger than the sum of its proper divisors (451908527941).

1830841061819 is a wasteful number, since it uses less digits than its factorization.

1830841061819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484930.

The product of its (nonzero) digits is 331776, while the sum is 50.

The spelling of 1830841061819 in words is "one trillion, eight hundred thirty billion, eight hundred forty-one million, sixty-one thousand, eight hundred nineteen".

Divisors: 1 7 11 77 16189 113323 178079 1246553 1468723 10281061 16155953 113091671 23777156647 166440096529 261548723117 1830841061819