Search a number
-
+
312465145065234 = 237372393319253481
BaseRepresentation
bin100011100001011110111010…
…1111110011110111100010010
31111222100101011012112021001020
41013002331311332132330102
5311423412104114041414
63024320301143220310
7122546601403353360
oct10702756576367422
91458311135467036
10312465145065234
11906197a6492407
122b065a08a47696
131054744bab04c5
1457235724d0630
15261ce074397a9
hex11c2f75f9ef12

312465145065234 has 128 divisors (see below), whose sum is σ = 736802821324800. Its totient is φ = 86473051338240.

The previous prime is 312465145065211. The next prime is 312465145065259. The reversal of 312465145065234 is 432560541564213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1232569774 + ... + 1232823254.

It is an arithmetic number, because the mean of its divisors is an integer number (5756272041600).

Almost surely, 2312465145065234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312465145065234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368401410662400).

312465145065234 is an abundant number, since it is smaller than the sum of its proper divisors (424337676259566).

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

312465145065234 is a wasteful number, since it uses less digits than its factorization.

312465145065234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257088.

The product of its (nonzero) digits is 10368000, while the sum is 51.

The spelling of 312465145065234 in words is "three hundred twelve trillion, four hundred sixty-five billion, one hundred forty-five million, sixty-five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 239 259 478 518 717 777 1434 1554 1673 3319 3346 5019 6638 8843 9957 10038 17686 19914 23233 26529 46466 53058 61901 69699 122803 123802 139398 185703 245606 253481 368409 371406 506962 736818 760443 793241 859621 1520886 1586482 1719242 1774367 2379723 2578863 3548734 4759446 5157726 5323101 5552687 9378797 10646202 11105374 16658061 18757594 28136391 29349917 33316122 56272782 58699834 60581959 65651579 88049751 121163918 131303158 176099502 181745877 196954737 205449419 363491754 393909474 410898838 424073713 616348257 841303439 848147426 1232696514 1272221139 1682606878 2241532483 2523910317 2544442278 4483064966 5047820634 5889124073 6724597449 11778248146 13449194898 15690727381 17667372219 31128227243 31381454762 35334744438 47072182143 62256454486 93384681729 94144364286 186769363458 201071521921 217897590701 402143043842 435795181402 603214565763 653692772103 1206429131526 1307385544206 1407500653447 2815001306894 4222501960341 7439646311077 8445003920682 14879292622154 22318938933231 44637877866462 52077524177539 104155048355078 156232572532617 312465145065234