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331002101042320 = 245151245911143081
BaseRepresentation
bin100101101000010110110111…
…0101001110000110010010000
31121101222111021112112210001111
41023100231232221300302100
5321341114300331323240
63131552133242343104
7126502053426403201
oct11320555651606220
91541874245483044
10331002101042320
1196516225916684
123115a511abaa94
13112904971a3cb6
145ba48312a75a8
1528401ce5701ea
hex12d0b6ea70c90

331002101042320 has 80 divisors (see below), whose sum is σ = 774991547187840. Its totient is φ = 131470515072000.

The previous prime is 331002101042311. The next prime is 331002101042399. The reversal of 331002101042320 is 23240101200133.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 331002101042291 and 331002101042300.

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, 24133180 + ... + 35276260.

It is an arithmetic number, because the mean of its divisors is an integer number (9687394339848).

Almost surely, 2331002101042320 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 331002101042320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387495773593920).

331002101042320 is an abundant number, since it is smaller than the sum of its proper divisors (443989446145520).

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

331002101042320 is a wasteful number, since it uses less digits than its factorization.

331002101042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145704 (or 11145698 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 331002101042320 its reverse (23240101200133), we get a palindrome (354242202242453).

The spelling of 331002101042320 in words is "three hundred thirty-one trillion, two billion, one hundred one million, forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 151 302 604 755 1208 1510 2416 2459 3020 4918 6040 9836 12080 12295 19672 24590 39344 49180 98360 196720 371309 742618 1485236 1856545 2970472 3713090 5940944 7426180 11143081 14852360 22286162 29704720 44572324 55715405 89144648 111430810 178289296 222861620 445723240 891446480 1682605231 3365210462 6730420924 8413026155 13460841848 16826052310 26921683696 27400836179 33652104620 54801672358 67304209240 109603344716 134608418480 137004180895 219206689432 274008361790 438413378864 548016723580 1096033447160 2192066894320 4137526263029 8275052526058 16550105052116 20687631315145 33100210104232 41375262630290 66200420208464 82750525260580 165501050521160 331002101042320