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55042742570 = 2522812413097
BaseRepresentation
bin110011010000110011…
…011001100100101010
312021002000122000222012
4303100303121210222
51400211420230240
641141500555522
73656003410064
oct632063314452
9167060560865
1055042742570
11213862141a2
12a801852ba2
13526271557a
14294235a734
151672440b65
hexcd0cd992a

55042742570 has 16 divisors (see below), whose sum is σ = 99120413448. Its totient is φ = 22007435520.

The previous prime is 55042742551. The next prime is 55042742581. The reversal of 55042742570 is 7524724055.

It can be written as a sum of positive squares in 4 ways, for example, as 53871802609 + 1170939961 = 232103^2 + 34219^2 .

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 7 ways as a sum of consecutive naturals, for example, 1183739 + ... + 1229358.

Almost surely, 255042742570 is an apocalyptic number.

55042742570 is a deficient number, since it is larger than the sum of its proper divisors (44077670878).

55042742570 is a wasteful number, since it uses less digits than its factorization.

55042742570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415385.

The product of its (nonzero) digits is 392000, while the sum is 41.

The spelling of 55042742570 in words is "fifty-five billion, forty-two million, seven hundred forty-two thousand, five hundred seventy".

Divisors: 1 2 5 10 2281 4562 11405 22810 2413097 4826194 12065485 24130970 5504274257 11008548514 27521371285 55042742570