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316316321388 = 2232972513131153
BaseRepresentation
bin1001001101001011110…
…11000000011001101100
31010020110121222000220200
410212211323000121230
520140303434241023
6401151432313500
731565420240424
oct4464573003154
91106417860820
10316316321388
11112170354031
1251379842890
1323aa02a8852
141144a0d5484
158364d39743
hex49a5ec066c

316316321388 has 144 divisors (see below), whose sum is σ = 814335683616. Its totient is φ = 103514112000.

The previous prime is 316316321383. The next prime is 316316321459. The reversal of 316316321388 is 883123613613.

316316321388 is a `hidden beast` number, since 3 + 1 + 6 + 3 + 1 + 632 + 1 + 3 + 8 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (316316321381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274341420 + ... + 274342572.

It is an arithmetic number, because the mean of its divisors is an integer number (5655108914).

Almost surely, 2316316321388 is an apocalyptic number.

It is an amenable number.

316316321388 is an abundant number, since it is smaller than the sum of its proper divisors (498019362228).

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

316316321388 is a wasteful number, since it uses less digits than its factorization.

316316321388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1819 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 316316321388 in words is "three hundred sixteen billion, three hundred sixteen million, three hundred twenty-one thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 97 194 251 291 313 388 502 582 626 753 873 939 1004 1153 1164 1252 1506 1746 1878 2259 2306 2817 3012 3459 3492 3756 4518 4612 5634 6918 9036 10377 11268 13836 20754 24347 30361 41508 48694 60722 73041 78563 91083 97388 111841 121444 146082 157126 182166 219123 223682 235689 273249 289403 292164 314252 335523 360889 364332 438246 447364 471378 546498 578806 671046 707067 721778 868209 876492 942756 1006569 1082667 1092996 1157612 1342092 1414134 1443556 1736418 2013138 2165334 2604627 2828268 3248001 3472836 4026276 4330668 5209254 6496002 7620611 10418508 12992004 15241222 22861833 28072091 30482444 35006233 45723666 56144182 68585499 70012466 84216273 90583139 91447332 105018699 112288364 137170998 140024932 168432546 181166278 210037398 252648819 271749417 274341996 315056097 336865092 362332556 420074796 505297638 543498834 630112194 815248251 1010595276 1086997668 1260224388 1630496502 3260993004 8786564483 17573128966 26359693449 35146257932 52719386898 79079080347 105438773796 158158160694 316316321388