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2054140142240 = 25512838375889
BaseRepresentation
bin11101111001000100010…
…010110010001010100000
321021101002120002001001102
4131321010102302022200
5232123334334022430
64211354200053532
7301256336056244
oct35710422621240
97241076061042
102054140142240
11722179616a9a
122921334642a8
1311b920c827b4
14715c6db4424
153867607b345
hex1de444b22a0

2054140142240 has 24 divisors (see below), whose sum is σ = 4852906086420. Its totient is φ = 821656056832.

The previous prime is 2054140142233. The next prime is 2054140142297. The reversal of 2054140142240 is 422410414502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1948179475984 + 105960666256 = 1395772^2 + 325516^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419187785 + ... + 6419188104.

Almost surely, 22054140142240 is an apocalyptic number.

2054140142240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054140142240 is an abundant number, since it is smaller than the sum of its proper divisors (2798765944180).

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

2054140142240 is a wasteful number, since it uses less digits than its factorization.

2054140142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838375904 (or 12838375896 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 2054140142240 its reverse (422410414502), we get a palindrome (2476550556742).

The spelling of 2054140142240 in words is "two trillion, fifty-four billion, one hundred forty million, one hundred forty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12838375889 25676751778 51353503556 64191879445 102707007112 128383758890 205414014224 256767517780 410828028448 513535035560 1027070071120 2054140142240