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386893665197 = 13643103144893
BaseRepresentation
bin1011010000101001010…
…10001101001110101101
31100222122021200120121022
411220110222031032231
522314324234241242
6453423025543525
736644404615244
oct5502452151655
91328567616538
10386893665197
1113a09842a046
1262b95aa4ba5
132a63a218650
1414a2367795b
15a0e5e900d2
hex5a14a8d3ad

386893665197 has 16 divisors (see below), whose sum is σ = 417716761728. Its totient is φ = 356223407040.

The previous prime is 386893665173. The next prime is 386893665199. The reversal of 386893665197 is 791566398683.

It is a cyclic number.

It is not a de Polignac number, because 386893665197 - 222 = 386889470893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386893665197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386893665199) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8595683 + ... + 8640575.

It is an arithmetic number, because the mean of its divisors is an integer number (26107297608).

Almost surely, 2386893665197 is an apocalyptic number.

It is an amenable number.

386893665197 is a deficient number, since it is larger than the sum of its proper divisors (30823096531).

386893665197 is a wasteful number, since it uses less digits than its factorization.

386893665197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46580.

The product of its digits is 352719360, while the sum is 71.

The spelling of 386893665197 in words is "three hundred eighty-six billion, eight hundred ninety-three million, six hundred sixty-five thousand, one hundred ninety-seven".

Divisors: 1 13 643 1031 8359 13403 44893 583609 662933 8618129 28866199 46284683 375260587 601700879 29761051169 386893665197