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1550255055 = 351071974903
BaseRepresentation
bin101110001100111…
…0000001111001111
311000001002010010220
41130121300033033
511133331130210
6413455202423
753262644016
oct13431601717
94001063126
101550255055
11726095628
12373216413
131b92397ab
14109c65a7d
1591174c70
hex5c6703cf

1550255055 has 32 divisors (see below), whose sum is σ = 2516811264. Its totient is φ = 814751616.

The previous prime is 1550255033. The next prime is 1550255071. The reversal of 1550255055 is 5505520551.

It is not a de Polignac number, because 1550255055 - 26 = 1550254991 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 313734 + ... + 318636.

It is an arithmetic number, because the mean of its divisors is an integer number (78650352).

Almost surely, 21550255055 is an apocalyptic number.

1550255055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1550255055 is a deficient number, since it is larger than the sum of its proper divisors (966556209).

1550255055 is a wasteful number, since it uses less digits than its factorization.

1550255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 31250, while the sum is 33.

The square root of 1550255055 is about 39373.2784385553. The cubic root of 1550255055 is about 1157.3580020085.

The spelling of 1550255055 in words is "one billion, five hundred fifty million, two hundred fifty-five thousand, fifty-five".

Divisors: 1 3 5 15 107 197 321 535 591 985 1605 2955 4903 14709 21079 24515 63237 73545 105395 316185 524621 965891 1573863 2623105 2897673 4829455 7869315 14488365 103350337 310051011 516751685 1550255055