Search a number
-
+
311364613123160 = 23523735678381647
BaseRepresentation
bin100011011001011110011100…
…1001010010010110001011000
31111211110011111020112000222012
41012302330321022102301120
5311302344211424420120
63022114532324245052
7122404231242244322
oct10662747112226130
91454404436460865
10311364613123160
1190234a99938473
122ab0866ab40788
1310497731a4820c
1456c61b0518612
1525ee494e111c5
hex11b2f39292c58

311364613123160 has 128 divisors (see below), whose sum is σ = 741066197114880. Its totient is φ = 117495371271168.

The previous prime is 311364613123159. The next prime is 311364613123231. The reversal of 311364613123160 is 61321316463113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3813505457 + ... + 3813587103.

It is an arithmetic number, because the mean of its divisors is an integer number (5789579664960).

Almost surely, 2311364613123160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311364613123160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370533098557440).

311364613123160 is an abundant number, since it is smaller than the sum of its proper divisors (429701583991720).

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

311364613123160 is a wasteful number, since it uses less digits than its factorization.

311364613123160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138537 (or 138533 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

Adding to 311364613123160 its reverse (61321316463113), we get a palindrome (372685929586273).

The spelling of 311364613123160 in words is "three hundred eleven trillion, three hundred sixty-four billion, six hundred thirteen million, one hundred twenty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 40 46 73 92 115 146 184 230 292 365 460 584 730 920 1460 1679 2920 3358 6716 8395 13432 16790 33580 56783 67160 81647 113566 163294 227132 283915 326588 408235 454264 567830 653176 816470 1135660 1306009 1632940 1877881 2271320 2612018 3265880 3755762 4145159 5224036 5960231 6530045 7511524 8290318 9389405 10448072 11920462 13060090 15023048 16580636 18778810 20725795 23840924 26120180 29801155 33161272 37557620 41451590 47681848 52240360 59602310 75115240 82903180 95338657 119204620 137085313 165806360 190677314 238409240 274170626 381354628 476693285 548341252 685426565 762709256 953386570 1096682504 1370853130 1906773140 2741706260 3813546280 4636161601 5483412520 9272323202 18544646404 23180808005 37089292808 46361616010 92723232020 106631716823 185446464040 213263433646 338439796873 426526867292 533158584115 676879593746 853053734584 1066317168230 1353759187492 1692198984365 2132634336460 2707518374984 3384397968730 4265268672920 6768795937460 7784115328079 13537591874920 15568230656158 31136461312316 38920576640395 62272922624632 77841153280790 155682306561580 311364613123160