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2565050064 = 24353438543
BaseRepresentation
bin1001100011100011…
…1000111011010000
320121202121001012020
42120320320323100
520223123100224
61102305531440
7120364365033
oct23070707320
96552531166
102565050064
1110a69a4095
125b7043b80
1331b556c05
141a494501a
151002c9c79
hex98e38ed0

2565050064 has 20 divisors (see below), whose sum is σ = 6626379456. Its totient is φ = 855016672.

The previous prime is 2565050039. The next prime is 2565050071. The reversal of 2565050064 is 4600505652.

It is a happy 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, 26719224 + ... + 26719319.

Almost surely, 22565050064 is an apocalyptic number.

2565050064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2565050064 is an abundant number, since it is smaller than the sum of its proper divisors (4061329392).

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

2565050064 is a wasteful number, since it uses less digits than its factorization.

2565050064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53438554 (or 53438548 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2565050064 is about 50646.3233018943. The cubic root of 2565050064 is about 1368.8796964902.

The spelling of 2565050064 in words is "two billion, five hundred sixty-five million, fifty thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 53438543 106877086 160315629 213754172 320631258 427508344 641262516 855016688 1282525032 2565050064