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20142844176125 = 531174871956637
BaseRepresentation
bin1001001010001110111110…
…00100100110011011111101
32122022122012102222111120102
410211013133010212123331
510120010021102114000
6110501254520330445
74146162312336566
oct445073704463375
978278172874512
1020142844176125
116466594461860
122313999913a25
13b3160119c588
144d8cc14cd16d
1524de6561b3d5
hex1251df1266fd

20142844176125 has 32 divisors (see below), whose sum is σ = 27427243603968. Its totient is φ = 14647377096000.

The previous prime is 20142844176121. The next prime is 20142844176137. The reversal of 20142844176125 is 52167144824102.

It is not a de Polignac number, because 20142844176125 - 22 = 20142844176121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20142844176125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142844176121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9316307 + ... + 11272943.

It is an arithmetic number, because the mean of its divisors is an integer number (857101362624).

Almost surely, 220142844176125 is an apocalyptic number.

20142844176125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20142844176125 is a deficient number, since it is larger than the sum of its proper divisors (7284399427843).

20142844176125 is a wasteful number, since it uses less digits than its factorization.

20142844176125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964150 (or 1964140 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 20142844176125 in words is "twenty trillion, one hundred forty-two billion, eight hundred forty-four million, one hundred seventy-six thousand, one hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 7487 37435 82357 187175 411785 935875 1956637 2058925 9783185 10294625 21523007 48915925 107615035 244579625 538075175 2690375875 14649341219 73246706095 161142753409 366233530475 805713767045 1831167652375 4028568835225 20142844176125