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420143230421102 = 2253996198601511
BaseRepresentation
bin101111110000111100011100…
…0000000010000100001101110
32001002121022010010000220012202
41133201320320000100201232
5420032111313441433402
64045323045134101502
7154332226626314666
oct13741707000204156
92032538103026182
10420143230421102
1111196381a508a81
123b1566a594a892
131505844b753b46
1475a708015b1a6
153388d525e2b02
hex17e1e3801086e

420143230421102 has 16 divisors (see below), whose sum is σ = 630528676252800. Its totient is φ = 209967022230840.

The previous prime is 420143230421087. The next prime is 420143230421111. The reversal of 420143230421102 is 201124032341024.

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, 44544527 + ... + 53146037.

It is an arithmetic number, because the mean of its divisors is an integer number (39408042265800).

Almost surely, 2420143230421102 is an apocalyptic number.

420143230421102 is a deficient number, since it is larger than the sum of its proper divisors (210385445831698).

420143230421102 is a wasteful number, since it uses less digits than its factorization.

420143230421102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613671.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 420143230421102 its reverse (201124032341024), we get a palindrome (621267262762126).

The spelling of 420143230421102 in words is "four hundred twenty trillion, one hundred forty-three billion, two hundred thirty million, four hundred twenty-one thousand, one hundred two".

Divisors: 1 2 2539 5078 9619 19238 8601511 17203022 24422641 48845282 21839236429 43678472858 82737934309 165475868618 210071615210551 420143230421102