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55126351542 = 239187725257
BaseRepresentation
bin110011010101110010…
…010101111010110110
312021021211221210220210
4303111302111322312
51400344321222132
641154045010250
73661040154033
oct632562257266
9167254853823
1055126351542
112141942a919
12a825853986
135276b3a532
14294d4c238a
151679958bcc
hexcd5c95eb6

55126351542 has 8 divisors (see below), whose sum is σ = 110252703096. Its totient is φ = 18375450512.

The previous prime is 55126351513. The next prime is 55126351543. The reversal of 55126351542 is 24515362155.

It is a sphenic number, since it is the product of 3 distinct primes.

55126351542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55126351542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126351543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593862623 + ... + 4593862634.

It is an arithmetic number, because the mean of its divisors is an integer number (13781587887).

Almost surely, 255126351542 is an apocalyptic number.

55126351542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55126351542 is a wasteful number, since it uses less digits than its factorization.

55126351542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187725262.

The product of its digits is 180000, while the sum is 39.

The spelling of 55126351542 in words is "fifty-five billion, one hundred twenty-six million, three hundred fifty-one thousand, five hundred forty-two".

Divisors: 1 2 3 6 9187725257 18375450514 27563175771 55126351542