Search a number
-
+
313125325444405 = 55389124131069561
BaseRepresentation
bin100011100110010010010101…
…1110010110001010100110101
31112001200111012022101022222201
41013030210223302301110311
5312020221131303210110
63025543442204024501
7122645362316114035
oct10714445362612465
91461614168338881
10313125325444405
1190853783064561
122b151951b32131
131059478c672516
1457474bd17d8c5
15263019578ab3a
hex11cc92bcb1535

313125325444405 has 32 divisors (see below), whose sum is σ = 387173144198880. Its totient is φ = 242992532090880.

The previous prime is 313125325444369. The next prime is 313125325444447. The reversal of 313125325444405 is 504444523521313.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 62636429405124 + 250488896039281 = 7914318^2 + 15826841^2 .

It is not a de Polignac number, because 313125325444405 - 237 = 312987886490933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292225825 + ... + 293295385.

It is an arithmetic number, because the mean of its divisors is an integer number (12099160756215).

Almost surely, 2313125325444405 is an apocalyptic number.

It is an amenable number.

313125325444405 is a deficient number, since it is larger than the sum of its proper divisors (74047818754475).

313125325444405 is a wasteful number, since it uses less digits than its factorization.

313125325444405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082121.

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 313125325444405 its reverse (504444523521313), we get a palindrome (817569848965718).

The spelling of 313125325444405 in words is "three hundred thirteen trillion, one hundred twenty-five billion, three hundred twenty-five million, four hundred forty-four thousand, four hundred five".

Divisors: 1 5 53 89 265 445 4717 12413 23585 62065 657889 1069561 1104757 3289445 5347805 5523785 56686733 58552121 95190929 283433665 292760605 475954645 5045119237 13276460693 25225596185 66382303465 703652416729 1181605001677 3518262083645 5908025008385 62625065088881 313125325444405