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50055500555505 = 3253730063363697
BaseRepresentation
bin10110110000110011101000…
…10101000110010011110001
320120020020222220020121101200
423120121310111012103301
523030102131120234010
6254243102434521413
713354250652360624
oct1330316425062361
9216206886217350
1050055500555505
1114a49467134985
125745111a36269
1321c12a0c3c473
14c509b0697dbb
155bc0d2383cc0
hex2d86745464f1

50055500555505 has 24 divisors (see below), whose sum is σ = 89107810000872. Its totient is φ = 25974746233344.

The previous prime is 50055500555491. The next prime is 50055500555513. The reversal of 50055500555505 is 50555500555005.

It can be written as a sum of positive squares in 4 ways, for example, as 27628153550001 + 22427347005504 = 5256249^2 + 4735752^2 .

It is not a de Polignac number, because 50055500555505 - 213 = 50055500547313 is a prime.

It is a super-2 number, since 2×500555005555052 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15031680184 + ... + 15031683513.

It is an arithmetic number, because the mean of its divisors is an integer number (3712825416703).

Almost surely, 250055500555505 is an apocalyptic number.

It is an amenable number.

50055500555505 is a deficient number, since it is larger than the sum of its proper divisors (39052309445367).

50055500555505 is a wasteful number, since it uses less digits than its factorization.

50055500555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30063363745 (or 30063363742 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 50055500555505 in words is "fifty trillion, fifty-five billion, five hundred million, five hundred fifty-five thousand, five hundred five".

Divisors: 1 3 5 9 15 37 45 111 185 333 555 1665 30063363697 90190091091 150316818485 270570273273 450950455455 1112344456789 1352851366365 3337033370367 5561722283945 10011100111101 16685166851835 50055500555505