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1900006284393 = 327231138980783
BaseRepresentation
bin11011101001100001001…
…100110001110001101001
320201122020201000210021200
4123221201030301301221
5222112203102100033
64012503440354413
7254161632642300
oct33514114616151
96648221023250
101900006284393
116728740182a8
12268298315a09
1310a229145209
1467d645c7437
15346545d5013
hex1ba61331c69

1900006284393 has 36 divisors (see below), whose sum is σ = 3295512350208. Its totient is φ = 1050694711920.

The previous prime is 1900006284361. The next prime is 1900006284433. The reversal of 1900006284393 is 3934826000091.

It is a happy number.

1900006284393 is a `hidden beast` number, since 19 + 0 + 0 + 0 + 0 + 628 + 4 + 3 + 9 + 3 = 666.

It is not a de Polignac number, because 1900006284393 - 25 = 1900006284361 is a prime.

It is a super-2 number, since 2×19000062843932 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900006283393) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69476721 + ... + 69504062.

It is an arithmetic number, because the mean of its divisors is an integer number (91542009728).

Almost surely, 21900006284393 is an apocalyptic number.

It is an amenable number.

1900006284393 is a deficient number, since it is larger than the sum of its proper divisors (1395506065815).

1900006284393 is a wasteful number, since it uses less digits than its factorization.

1900006284393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138980834 (or 138980824 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 1900006284393 in words is "one trillion, nine hundred billion, six million, two hundred eighty-four thousand, three hundred ninety-three".

Divisors: 1 3 7 9 21 31 49 63 93 147 217 279 441 651 1519 1953 4557 13671 138980783 416942349 972865481 1250827047 2918596443 4308404273 6810058367 8755789329 12925212819 20430175101 30158829911 38775638457 61290525303 90476489733 211111809377 271429469199 633335428131 1900006284393