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1918286040196 = 222543188584943
BaseRepresentation
bin11011111010100010110…
…000100000110010000100
320210101102122121121010101
4123322202300200302010
5222412122211241241
64025125355133444
7255406626210061
oct33724260406204
96711378547111
101918286040196
1167a5a45073a9
1226b93a144284
1310bb80305c76
1468bba237c68
1534d742ede31
hex1bea2c20c84

1918286040196 has 12 divisors (see below), whose sum is σ = 3358320682752. Its totient is φ = 958765845128.

The previous prime is 1918286040193. The next prime is 1918286040199. The reversal of 1918286040196 is 6910406828191.

It is an interprime number because it is at equal distance from previous prime (1918286040193) and next prime (1918286040199).

It is not an unprimeable number, because it can be changed into a prime (1918286040193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94282300 + ... + 94302643.

It is an arithmetic number, because the mean of its divisors is an integer number (279860056896).

Almost surely, 21918286040196 is an apocalyptic number.

It is an amenable number.

1918286040196 is a deficient number, since it is larger than the sum of its proper divisors (1440034642556).

1918286040196 is a wasteful number, since it uses less digits than its factorization.

1918286040196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188587490 (or 188587488 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 55.

The spelling of 1918286040196 in words is "one trillion, nine hundred eighteen billion, two hundred eighty-six million, forty thousand, one hundred ninety-six".

Divisors: 1 2 4 2543 5086 10172 188584943 377169886 754339772 479571510049 959143020098 1918286040196