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55240125005 = 513275418669
BaseRepresentation
bin110011011100100100…
…010110101001001101
312021120210001002202202
4303130210112221031
51401112433000010
641213231331245
73663621213062
oct633444265115
9167523032682
1055240125005
112147767957a
12a857980b25
135294594300
14296065ac69
15168492e6a5
hexcdc916a4d

55240125005 has 24 divisors (see below), whose sum is σ = 71797275720. Its totient is φ = 40782593280.

The previous prime is 55240124999. The next prime is 55240125007. The reversal of 55240125005 is 50052104255.

55240125005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 44000096644 + 11240028361 = 209762^2 + 106019^2 .

It is not a de Polignac number, because 55240125005 - 26 = 55240124941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55240125007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6367811 + ... + 6376479.

It is an arithmetic number, because the mean of its divisors is an integer number (2991553155).

Almost surely, 255240125005 is an apocalyptic number.

It is an amenable number.

55240125005 is a deficient number, since it is larger than the sum of its proper divisors (16557150715).

55240125005 is a wasteful number, since it uses less digits than its factorization.

55240125005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16241 (or 16228 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 55240125005 in words is "fifty-five billion, two hundred forty million, one hundred twenty-five thousand, five".

Divisors: 1 5 13 65 169 845 7541 8669 37705 43345 98033 112697 490165 563485 1274429 1465061 6372145 7325305 65372929 326864645 849848077 4249240385 11048025001 55240125005