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1020164310 = 2325112234073
BaseRepresentation
bin111100110011100…
…111100011010110
32122002121201100100
4330303213203112
54042130224220
6245121354530
734165152654
oct7463474326
92562551310
101020164310
11483946600
12245798a46
1313347a329
14996b9dd4
155e865d90
hex3cce78d6

1020164310 has 144 divisors (see below), whose sum is σ = 3042984672. Its totient is φ = 236501760.

The previous prime is 1020164309. The next prime is 1020164317. The reversal of 1020164310 is 134610201.

It is a happy number.

1020164310 is a `hidden beast` number, since 1 + 0 + 20 + 1 + 643 + 1 + 0 = 666.

It is a super-2 number, since 2×10201643102 = 2081470438795552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020164317) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 248434 + ... + 252506.

It is an arithmetic number, because the mean of its divisors is an integer number (21131838).

Almost surely, 21020164310 is an apocalyptic number.

1020164310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020164310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521492336).

1020164310 is an abundant number, since it is smaller than the sum of its proper divisors (2022820362).

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

1020164310 is a wasteful number, since it uses less digits than its factorization.

1020164310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020164310 is about 31940.0111145879. The cubic root of 1020164310 is about 1006.6767583500.

Adding to 1020164310 its reverse (134610201), we get a palindrome (1154774511).

The spelling of 1020164310 in words is "one billion, twenty million, one hundred sixty-four thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 23 30 33 45 46 55 66 69 90 99 110 115 121 138 165 198 207 230 242 253 330 345 363 414 495 506 605 690 726 759 990 1035 1089 1210 1265 1518 1815 2070 2178 2277 2530 2783 3630 3795 4073 4554 5445 5566 7590 8146 8349 10890 11385 12219 13915 16698 20365 22770 24438 25047 27830 36657 40730 41745 44803 50094 61095 73314 83490 89606 93679 122190 125235 134409 183285 187358 224015 250470 268818 281037 366570 403227 448030 468395 492833 562074 672045 806454 843111 936790 985666 1030469 1344090 1405185 1478499 1686222 2016135 2060938 2464165 2810370 2956998 3091407 4032270 4215555 4435497 4928330 5152345 6182814 7392495 8431110 8870994 9274221 10304690 11335159 14784990 15457035 18548442 22177485 22670318 30914070 34005477 44354970 46371105 56675795 68010954 92742210 102016431 113351590 170027385 204032862 340054770 510082155 1020164310