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2000555455 = 5400111091
BaseRepresentation
bin111011100111110…
…0000110110111111
312011102101202011111
41313033200312333
513044120233310
6530302502451
7100401304123
oct16717406677
95142352144
102000555455
11937296a18
12479b94a27
1325b610132
1414d9a1583
15ba97228a
hex773e0dbf

2000555455 has 4 divisors (see below), whose sum is σ = 2400666552. Its totient is φ = 1600444360.

The previous prime is 2000555443. The next prime is 2000555471. The reversal of 2000555455 is 5545550002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5545550002 = 22772775001.

It is not a de Polignac number, because 2000555455 - 27 = 2000555327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200055541 + ... + 200055550.

It is an arithmetic number, because the mean of its divisors is an integer number (600166638).

Almost surely, 22000555455 is an apocalyptic number.

2000555455 is a deficient number, since it is larger than the sum of its proper divisors (400111097).

2000555455 is an equidigital number, since it uses as much as digits as its factorization.

2000555455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400111096.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 2000555455 is about 44727.5692945637. The cubic root of 2000555455 is about 1260.0376773398.

The spelling of 2000555455 in words is "two billion, five hundred fifty-five thousand, four hundred fifty-five".

Divisors: 1 5 400111091 2000555455