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20130142102 = 2717839100811
BaseRepresentation
bin10010101111110110…
…011001011110010110
31220221220102011122121
4102233312121132112
5312211304021402
613125254450154
71311562245640
oct225766313626
956856364577
1020130142102
11859aa38784
123a9966395a
131b8a642cb5
14d8d6c1890
157cc3c6837
hex4afd99796

20130142102 has 32 divisors (see below), whose sum is σ = 36582658560. Its totient is φ = 8109962880.

The previous prime is 20130142079. The next prime is 20130142141. The reversal of 20130142102 is 20124103102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149277 + ... + 250087.

It is an arithmetic number, because the mean of its divisors is an integer number (1143208080).

Almost surely, 220130142102 is an apocalyptic number.

20130142102 is a deficient number, since it is larger than the sum of its proper divisors (16452516458).

20130142102 is a wasteful number, since it uses less digits than its factorization.

20130142102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101676.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20130142102 its reverse (20124103102), we get a palindrome (40254245204).

The spelling of 20130142102 in words is "twenty billion, one hundred thirty million, one hundred forty-two thousand, one hundred two".

Divisors: 1 2 7 14 17 34 119 238 839 1678 5873 11746 14263 28526 99841 100811 199682 201622 705677 1411354 1713787 3427574 11996509 23993018 84580429 169160858 592063003 1184126006 1437867293 2875734586 10065071051 20130142102