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12310210100320 = 2551110169251857
BaseRepresentation
bin1011001100100011000110…
…1100110011110001100000
31121120211210201002222010021
42303020301230303301200
53103142302241202240
642103122113043224
72410245324242236
oct263106154636140
947524721088107
1012310210100320
113a16804747640
121469974556514
136b3b038bb372
14307b62b34956
1516533bb3e54a
hexb3231b33c60

12310210100320 has 96 divisors (see below), whose sum is σ = 32040895644576. Its totient is φ = 4432118784000.

The previous prime is 12310210100281. The next prime is 12310210100347. The reversal of 12310210100320 is 2300101201321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12310210100294 and 12310210100303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34448169 + ... + 34803688.

It is an arithmetic number, because the mean of its divisors is an integer number (333759329631).

Almost surely, 212310210100320 is an apocalyptic number.

12310210100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310210100320 is an abundant number, since it is smaller than the sum of its proper divisors (19730685544256).

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

12310210100320 is a wasteful number, since it uses less digits than its factorization.

12310210100320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69251984 (or 69251976 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12310210100320 its reverse (2300101201321), we get a palindrome (14610311301641).

The spelling of 12310210100320 in words is "twelve trillion, three hundred ten billion, two hundred ten million, one hundred thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 101 110 160 176 202 220 352 404 440 505 808 880 1010 1111 1616 1760 2020 2222 3232 4040 4444 5555 8080 8888 11110 16160 17776 22220 35552 44440 88880 177760 69251857 138503714 277007428 346259285 554014856 692518570 761770427 1108029712 1385037140 1523540854 2216059424 2770074280 3047081708 3808852135 5540148560 6094163416 6994437557 7617704270 11080297120 12188326832 13988875114 15235408540 24376653664 27977750228 30470817080 34972187785 55955500456 60941634160 69944375570 76938813127 111911000912 121883268320 139888751140 153877626254 223822001824 279777502280 307755252508 384694065635 559555004560 615510505016 769388131270 1119110009120 1231021010032 1538776262540 2462042020064 3077552525080 6155105050160 12310210100320