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2142877553125 = 55685720817
BaseRepresentation
bin11111001011101101011…
…101001001000111100101
321120212010211011120111221
4133023231131021013211
5240102103123200000
64320231354500341
7310550334445051
oct37135535110745
97525124146457
102142877553125
11756875572201
122a73794346b1
131270c333800a
1475a0432cc61
153ab1b65761a
hex1f2ed7491e5

2142877553125 has 12 divisors (see below), whose sum is σ = 2678425515108. Its totient is φ = 1714302040000.

The previous prime is 2142877553101. The next prime is 2142877553149. The reversal of 2142877553125 is 5213557782412.

It is an interprime number because it is at equal distance from previous prime (2142877553101) and next prime (2142877553149).

It can be written as a sum of positive squares in 6 ways, for example, as 1247776127521 + 895101425604 = 1117039^2 + 946098^2 .

It is not a de Polignac number, because 2142877553125 - 27 = 2142877552997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342857284 + ... + 342863533.

It is an arithmetic number, because the mean of its divisors is an integer number (223202126259).

Almost surely, 22142877553125 is an apocalyptic number.

2142877553125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2142877553125 is a deficient number, since it is larger than the sum of its proper divisors (535547961983).

2142877553125 is an frugal number, since it uses more digits than its factorization.

2142877553125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685720842 (or 685720822 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 52.

The spelling of 2142877553125 in words is "two trillion, one hundred forty-two billion, eight hundred seventy-seven million, five hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 3125 685720817 3428604085 17143020425 85715102125 428575510625 2142877553125