Search a number
-
+
1939127309392 = 247132294358049
BaseRepresentation
bin11100001101111100111…
…111101001010001010000
320212101020010010202202111
4130031330333221101100
5223232313042400032
64042453415555104
7260045245112620
oct34157477512120
96771203122674
101939127309392
116884198a4419
1227399598ba94
13110b22082c10
1469bd614c880
1535693d44c47
hex1c37cfe9450

1939127309392 has 80 divisors (see below), whose sum is σ = 4624354022400. Its totient is φ = 767080636416.

The previous prime is 1939127309359. The next prime is 1939127309407. The reversal of 1939127309392 is 2939037219391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33375984 + ... + 33434032.

It is an arithmetic number, because the mean of its divisors is an integer number (57804425280).

Almost surely, 21939127309392 is an apocalyptic number.

It is an amenable number.

1939127309392 is an abundant number, since it is smaller than the sum of its proper divisors (2685226713008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1939127309392 is a wasteful number, since it uses less digits than its factorization.

1939127309392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81020 (or 81014 counting only the distinct ones).

The product of its (nonzero) digits is 4960116, while the sum is 58.

Subtracting 1939127309392 from its reverse (2939037219391), we obtain a palindrome (999909909999).

The spelling of 1939127309392 in words is "one trillion, nine hundred thirty-nine billion, one hundred twenty-seven million, three hundred nine thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 22943 45886 58049 91772 116098 160601 183544 232196 298259 321202 367088 406343 464392 596518 642404 754637 812686 928784 1193036 1284808 1509274 1625372 2087813 2386072 2569616 3018548 3250744 4175626 4772144 5282459 6037096 6501488 8351252 10564918 12074192 16702504 21129836 33405008 42259672 84519344 1331818207 2663636414 5327272828 9322727449 10654545656 17313636691 18645454898 21309091312 34627273382 37290909796 69254546764 74581819592 121195456837 138509093528 149163639184 242390913674 277018187056 484781827348 969563654696 1939127309392