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2143103452 = 227388919681
BaseRepresentation
bin111111110111101…
…0010100111011100
312112100121221020221
41333233102213130
513342113302302
6552354051124
7104052036010
oct17757224734
95470557227
102143103452
119aa7a9386
124b9879aa4
13282000169
141648aa540
15c822d937
hex7fbd29dc

2143103452 has 24 divisors (see below), whose sum is σ = 4287526880. Its totient is φ = 918190080.

The previous prime is 2143103449. The next prime is 2143103471. The reversal of 2143103452 is 2543013412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99052 + ... + 118732.

Almost surely, 22143103452 is an apocalyptic number.

It is an amenable number.

2143103452 is an abundant number, since it is smaller than the sum of its proper divisors (2144423428).

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

2143103452 is a wasteful number, since it uses less digits than its factorization.

2143103452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23581 (or 23579 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2143103452 is about 46293.6653549921. The cubic root of 2143103452 is about 1289.2813841053.

Adding to 2143103452 its reverse (2543013412), we get a palindrome (4686116864).

The spelling of 2143103452 in words is "two billion, one hundred forty-three million, one hundred three thousand, four hundred fifty-two".

Divisors: 1 2 4 7 14 28 3889 7778 15556 19681 27223 39362 54446 78724 108892 137767 275534 551068 76539409 153078818 306157636 535775863 1071551726 2143103452