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2143347506 = 223266317497
BaseRepresentation
bin111111111000000…
…1110001100110010
312112101002100000222
41333300032030302
513342144110011
6552403213042
7104054103356
oct17760161462
95471070028
102143347506
119aa955783
124b9977182
13282087281
14164931466
15c827addb
hex7fc0e332

2143347506 has 16 divisors (see below), whose sum is σ = 3356256384. Its totient is φ = 1024635744.

The previous prime is 2143347491. The next prime is 2143347511. The reversal of 2143347506 is 6057433412.

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, 113750 + ... + 131246.

It is an arithmetic number, because the mean of its divisors is an integer number (209766024).

Almost surely, 22143347506 is an apocalyptic number.

2143347506 is a deficient number, since it is larger than the sum of its proper divisors (1212908878).

2143347506 is a wasteful number, since it uses less digits than its factorization.

2143347506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 2143347506 is about 46296.3012129479. The cubic root of 2143347506 is about 1289.3303228434.

The spelling of 2143347506 in words is "two billion, one hundred forty-three million, three hundred forty-seven thousand, five hundred six".

Divisors: 1 2 23 46 2663 5326 17497 34994 61249 122498 402431 804862 46594511 93189022 1071673753 2143347506