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1385353023405 = 35137104374479
BaseRepresentation
bin10100001010001101011…
…110011000111110101101
311220102211122010021212020
4110022031132120332231
5140144200333222110
62540231123100353
7202042224256251
oct24121536307655
94812748107766
101385353023405
11494585735a5a
121a45a7b116b9
13a083b262210
144b0a123c261
152608232ed70
hex1428d798fad

1385353023405 has 16 divisors (see below), whose sum is σ = 2387069825280. Its totient is φ = 682019949888.

The previous prime is 1385353023403. The next prime is 1385353023409. The reversal of 1385353023405 is 5043203535831.

It is not a de Polignac number, because 1385353023405 - 21 = 1385353023403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385353023401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3552187045 + ... + 3552187434.

It is an arithmetic number, because the mean of its divisors is an integer number (149191864080).

Almost surely, 21385353023405 is an apocalyptic number.

1385353023405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1385353023405 is a deficient number, since it is larger than the sum of its proper divisors (1001716801875).

1385353023405 is a wasteful number, since it uses less digits than its factorization.

1385353023405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104374500.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 1385353023405 in words is "one trillion, three hundred eighty-five billion, three hundred fifty-three million, twenty-three thousand, four hundred five".

Divisors: 1 3 5 13 15 39 65 195 7104374479 21313123437 35521872395 92356868227 106565617185 277070604681 461784341135 1385353023405