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1303130020320 = 25325904951403
BaseRepresentation
bin10010111101101000100…
…110100001100111100000
311121120121101000221220200
4102331220212201213200
5132322302241122240
62434352154505200
7163101530261142
oct22755046414740
94546541027820
101303130020320
11462721a18847
1219067b735200
1395b6670377b
1447101158c92
1523d6daed930
hex12f689a19e0

1303130020320 has 72 divisors (see below), whose sum is σ = 4446931199256. Its totient is φ = 347501338368.

The previous prime is 1303130020301. The next prime is 1303130020421. The reversal of 1303130020320 is 230200313031.

1303130020320 is a `hidden beast` number, since 1 + 30 + 313 + 0 + 0 + 2 + 0 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×13031300203202 (a number of 25 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 = 1303130020293 and 1303130020302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452474262 + ... + 452477141.

It is an arithmetic number, because the mean of its divisors is an integer number (61762933323).

Almost surely, 21303130020320 is an apocalyptic number.

1303130020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303130020320 is an abundant number, since it is smaller than the sum of its proper divisors (3143801178936).

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

1303130020320 is a wasteful number, since it uses less digits than its factorization.

1303130020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904951424 (or 904951413 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1303130020320 its reverse (230200313031), we get a palindrome (1533330333351).

The spelling of 1303130020320 in words is "one trillion, three hundred three billion, one hundred thirty million, twenty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 904951403 1809902806 2714854209 3619805612 4524757015 5429708418 7239611224 8144562627 9049514030 10859416836 13574271045 14479222448 16289125254 18099028060 21718833672 27148542090 28958444896 32578250508 36198056120 40722813135 43437667344 54297084180 65156501016 72396112240 81445626270 86875334688 108594168360 130313002032 144792224480 162891252540 217188336720 260626004064 325782505080 434376673440 651565010160 1303130020320