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55028687370 = 23517107899387
BaseRepresentation
bin110011001111111101…
…110010001000001010
312021001001011221212020
4303033331302020022
51400144320443440
641140235425310
73655443060606
oct631775621012
9167031157766
1055028687370
1121379294328
12a7b8bb5236
13525c833c97
14294053c506
1516710b63d0
hexccff7220a

55028687370 has 32 divisors (see below), whose sum is σ = 139837606848. Its totient is φ = 13811121408.

The previous prime is 55028687341. The next prime is 55028687381. The reversal of 55028687370 is 7378682055.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53949184 + ... + 53950203.

It is an arithmetic number, because the mean of its divisors is an integer number (4369925214).

Almost surely, 255028687370 is an apocalyptic number.

55028687370 is an abundant number, since it is smaller than the sum of its proper divisors (84808919478).

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

55028687370 is a wasteful number, since it uses less digits than its factorization.

55028687370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107899414.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 55028687370 in words is "fifty-five billion, twenty-eight million, six hundred eighty-seven thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 107899387 215798774 323698161 539496935 647396322 1078993870 1618490805 1834289579 3236981610 3668579158 5502868737 9171447895 11005737474 18342895790 27514343685 55028687370