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1202303130320 = 24515028789129
BaseRepresentation
bin10001011111101110110…
…110011101101011010000
311020221100120110020211102
4101133232312131223100
5124144304100132240
62320155212403532
7152602122662465
oct21375666355320
94227316406742
101202303130320
11423991855a86
12175020a765a8
13894b87b7906
144229836d66c
152141bec9815
hex117eed9dad0

1202303130320 has 20 divisors (see below), whose sum is σ = 2795354778180. Its totient is φ = 480921252096.

The previous prime is 1202303130293. The next prime is 1202303130331. The reversal of 1202303130320 is 230313032021.

It can be written as a sum of positive squares in 2 ways, for example, as 643672453264 + 558630677056 = 802292^2 + 747416^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1202303130292 and 1202303130301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7514394485 + ... + 7514394644.

It is an arithmetic number, because the mean of its divisors is an integer number (139767738909).

Almost surely, 21202303130320 is an apocalyptic number.

1202303130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202303130320 is an abundant number, since it is smaller than the sum of its proper divisors (1593051647860).

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

1202303130320 is a wasteful number, since it uses less digits than its factorization.

1202303130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028789142 (or 15028789136 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1202303130320 its reverse (230313032021), we get a palindrome (1432616162341).

The spelling of 1202303130320 in words is "one trillion, two hundred two billion, three hundred three million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 15028789129 30057578258 60115156516 75143945645 120230313032 150287891290 240460626064 300575782580 601151565160 1202303130320