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1230203004020 = 22583741086147
BaseRepresentation
bin10001111001101101110…
…100000010010001110100
311100121100221222200111222
4101321231310002101310
5130123423432112040
62341051503445512
7154610402000234
oct21715564022164
94317327880458
101230203004020
114347a9585041
1217a5085b6898
138c013a49513
14437838d7cc4
1522001563bb5
hex11e6dd02474

1230203004020 has 24 divisors (see below), whose sum is σ = 2614551930144. Its totient is φ = 486152511776.

The previous prime is 1230203003999. The next prime is 1230203004031. The reversal of 1230203004020 is 204003020321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230203004020.

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 7 ways as a sum of consecutive naturals, for example, 370541414 + ... + 370544733.

It is an arithmetic number, because the mean of its divisors is an integer number (108939663756).

Almost surely, 21230203004020 is an apocalyptic number.

1230203004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230203004020 is an abundant number, since it is smaller than the sum of its proper divisors (1384348926124).

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

1230203004020 is a wasteful number, since it uses less digits than its factorization.

1230203004020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741086239 (or 741086237 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 1230203004020 its reverse (204003020321), we get a palindrome (1434206024341).

The spelling of 1230203004020 in words is "one trillion, two hundred thirty billion, two hundred three million, four thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 741086147 1482172294 2964344588 3705430735 7410861470 14821722940 61510150201 123020300402 246040600804 307550751005 615101502010 1230203004020