Search a number
-
+
312818727204 = 2232314972
BaseRepresentation
bin1001000110101010111…
…00101111100100100100
31002220102212121211200100
410203111130233210210
520111123043232304
6355412410544100
731412640211014
oct4432534574444
91086385554610
10312818727204
1111073601a825
1250762438030
13236637a22a9
14111d77a1c44
15820cc55439
hex48d572f924

312818727204 has 135 divisors (see below), whose sum is σ = 825604564785. Its totient is φ = 99868965120.

The previous prime is 312818727191. The next prime is 312818727229. The reversal of 312818727204 is 402727818213.

The square root of 312818727204 is 559302.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 140467544100 + 172351183104 = 374790^2 + 415152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312818727204.

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 3224935284 + ... + 3224935380.

Almost surely, 2312818727204 is an apocalyptic number.

312818727204 is the 559302-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312818727204

312818727204 is an abundant number, since it is smaller than the sum of its proper divisors (512785837581).

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

312818727204 is an frugal number, since it uses more digits than its factorization.

312818727204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 312818727204 in words is "three hundred twelve billion, eight hundred eighteen million, seven hundred twenty-seven thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 97 124 186 194 279 291 372 388 558 582 873 961 1116 1164 1746 1922 2883 3007 3492 3844 5766 6014 8649 9021 9409 11532 12028 17298 18042 18818 27063 28227 29791 34596 36084 37636 54126 56454 59582 84681 89373 93217 108252 112908 119164 169362 178746 186434 268119 279651 291679 338724 357492 372868 536238 559302 583358 838953 875037 923521 1072476 1118604 1166716 1677906 1750074 1847042 2625111 2770563 2889727 3355812 3500148 3694084 5250222 5541126 5779454 8311689 8669181 9042049 10500444 11082252 11558908 16623378 17338362 18084098 26007543 27126147 33246756 34676724 36168196 52015086 54252294 81378441 89581537 104030172 108504588 162756882 179163074 268744611 280303519 325513764 358326148 537489222 560607038 806233833 840910557 1074978444 1121214076 1612467666 1681821114 2522731671 3224935332 3363642228 5045463342 8689409089 10090926684 17378818178 26068227267 34757636356 52136454534 78204681801 104272909068 156409363602 312818727204