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389745136762 = 2203039959779
BaseRepresentation
bin1011010101111101001…
…11101101010001111010
31101021000000020100020021
411222332213231101322
522341144223334022
6455014010521054
740105151000362
oct5527647552172
91337000210207
10389745136762
11140320a72913
1263650a3618a
132a9a2bc7a27
1414c142599a2
15a2114957c7
hex5abe9ed47a

389745136762 has 8 divisors (see below), whose sum is σ = 584621193600. Its totient is φ = 194871405564.

The previous prime is 389745136751. The next prime is 389745136769. The reversal of 389745136762 is 267631547983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 389745136762.

It is not an unprimeable number, because it can be changed into a prime (389745136769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73812 + ... + 885967.

It is an arithmetic number, because the mean of its divisors is an integer number (73077649200).

Almost surely, 2389745136762 is an apocalyptic number.

389745136762 is a deficient number, since it is larger than the sum of its proper divisors (194876056838).

389745136762 is a wasteful number, since it uses less digits than its factorization.

389745136762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162820.

The product of its digits is 45722880, while the sum is 61.

The spelling of 389745136762 in words is "three hundred eighty-nine billion, seven hundred forty-five million, one hundred thirty-six thousand, seven hundred sixty-two".

Divisors: 1 2 203039 406078 959779 1919558 194872568381 389745136762