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2143322051 = 132313711057
BaseRepresentation
bin111111111000000…
…0111111111000011
312112101001001010012
41333300013333003
513342142301201
6552402455135
7104053636223
oct17760077703
95471031105
102143322051
119aa938642
124b99644ab
13282078800
14164926083
15c82735bb
hex7fc07fc3

2143322051 has 24 divisors (see below), whose sum is σ = 2460714624. Its totient is φ = 1862714880.

The previous prime is 2143322023. The next prime is 2143322149. The reversal of 2143322051 is 1502233412.

It is not a de Polignac number, because 2143322051 - 26 = 2143321987 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2143322351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188315 + ... + 199371.

It is an arithmetic number, because the mean of its divisors is an integer number (102529776).

Almost surely, 22143322051 is an apocalyptic number.

2143322051 is a deficient number, since it is larger than the sum of its proper divisors (317392573).

2143322051 is a wasteful number, since it uses less digits than its factorization.

2143322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11151 (or 11138 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2143322051 is about 46296.0262981608. The cubic root of 2143322051 is about 1289.3252186729.

Adding to 2143322051 its reverse (1502233412), we get a palindrome (3645555463).

The spelling of 2143322051 in words is "two billion, one hundred forty-three million, three hundred twenty-two thousand, fifty-one".

Divisors: 1 13 31 37 169 403 481 1147 5239 6253 11057 14911 143741 193843 342767 409109 1868633 4455971 5318417 12682379 57927623 69139421 164870927 2143322051