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2143332064 = 25312160617
BaseRepresentation
bin111111111000000…
…1010011011100000
312112101001112212001
41333300022123200
513342143111224
6552403013344
7104054010346
oct17760123340
95471045761
102143332064
119aa945115
124b996a254
13282080233
14164929996
15c8276544
hex7fc0a6e0

2143332064 has 24 divisors (see below), whose sum is σ = 4355805888. Its totient is φ = 1037095680.

The previous prime is 2143332043. The next prime is 2143332089. The reversal of 2143332064 is 4602333412.

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, 1079317 + ... + 1081300.

It is an arithmetic number, because the mean of its divisors is an integer number (181491912).

Almost surely, 22143332064 is an apocalyptic number.

It is an amenable number.

2143332064 is an abundant number, since it is smaller than the sum of its proper divisors (2212473824).

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

2143332064 is a wasteful number, since it uses less digits than its factorization.

2143332064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160658 (or 2160650 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2143332064 is about 46296.1344390652. The cubic root of 2143332064 is about 1289.3272264585.

Adding to 2143332064 its reverse (4602333412), we get a palindrome (6745665476).

The spelling of 2143332064 in words is "two billion, one hundred forty-three million, three hundred thirty-two thousand, sixty-four".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 2160617 4321234 8642468 17284936 34569872 66979127 69139744 133958254 267916508 535833016 1071666032 2143332064