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13819430186 = 217443917503
BaseRepresentation
bin11001101111011001…
…11100010100101010
31022200002200210100122
430313230330110222
5211300233231221
610203142203242
7666313134632
oct146754742452
938602623318
1013819430186
115951787491
122818123522
1313c3098833
149515116c2
1555d365eab
hex337b3c52a

13819430186 has 16 divisors (see below), whose sum is σ = 21998075904. Its totient is φ = 6488574144.

The previous prime is 13819430173. The next prime is 13819430213. The reversal of 13819430186 is 68103491831.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 443690 + ... + 473813.

It is an arithmetic number, because the mean of its divisors is an integer number (1374879744).

Almost surely, 213819430186 is an apocalyptic number.

13819430186 is a deficient number, since it is larger than the sum of its proper divisors (8178645718).

13819430186 is a wasteful number, since it uses less digits than its factorization.

13819430186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917965.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 13819430186 in words is "thirteen billion, eight hundred nineteen million, four hundred thirty thousand, one hundred eighty-six".

Divisors: 1 2 17 34 443 886 7531 15062 917503 1835006 15597551 31195102 406453829 812907658 6909715093 13819430186