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420013102320 = 24325783335933
BaseRepresentation
bin1100001110010101011…
…10110101010011110000
31111011010102202022020200
412013022232311103300
523340141323233240
6520541254235200
742226213315050
oct6071256652360
91434112668220
10420013102320
111521434a0389
1269499655b00
13307b7952916
14164860d9560
15add38a1930
hex61cabb54f0

420013102320 has 120 divisors (see below), whose sum is σ = 1612050307296. Its totient is φ = 96002993664.

The previous prime is 420013102303. The next prime is 420013102321. The reversal of 420013102320 is 23201310024.

420013102320 is a `hidden beast` number, since 420 + 0 + 1 + 3 + 10 + 232 + 0 = 666.

420013102320 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×4200131023202 (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 420013102293 and 420013102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420013102321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41662927 + ... + 41673006.

Almost surely, 2420013102320 is an apocalyptic number.

420013102320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420013102320 is an abundant number, since it is smaller than the sum of its proper divisors (1192037204976).

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

420013102320 is a wasteful number, since it uses less digits than its factorization.

420013102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83335959 (or 83335950 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 420013102320 its reverse (23201310024), we get a palindrome (443214412344).

The spelling of 420013102320 in words is "four hundred twenty billion, thirteen million, one hundred two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1260 1680 2520 5040 83335933 166671866 250007799 333343732 416679665 500015598 583351531 666687464 750023397 833359330 1000031196 1166703062 1250038995 1333374928 1500046794 1666718660 1750054593 2000062392 2333406124 2500077990 2916757655 3000093588 3333437320 3500109186 3750116985 4000124784 4666812248 5000155980 5250163779 5833515310 6000187176 6666874640 7000218372 7500233970 8750272965 9333624496 10000311960 10500327558 11667030620 12000374352 14000436744 15000467940 17500545930 20000623920 21000655116 23334061240 26250818895 28000873488 30000935880 35001091860 42001310232 46668122480 52501637790 60001871760 70002183720 84002620464 105003275580 140004367440 210006551160 420013102320