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20013141892 = 22234118612851
BaseRepresentation
bin10010101000111000…
…000100111110000100
31220122202020221112111
4102220320010332010
5311441331020032
613105515030404
71305641620312
oct225070047604
956582227474
1020013141892
11853a995797
123a6643b404
131b6c3295c3
14d7bd470b2
157c1eb4c47
hex4a8e04f84

20013141892 has 48 divisors (see below), whose sum is σ = 37470351744. Its totient is φ = 9329760000.

The previous prime is 20013141877. The next prime is 20013141923. The reversal of 20013141892 is 29814131002.

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, 7018267 + ... + 7021117.

It is an arithmetic number, because the mean of its divisors is an integer number (780632328).

Almost surely, 220013141892 is an apocalyptic number.

It is an amenable number.

20013141892 is a deficient number, since it is larger than the sum of its proper divisors (17457209852).

20013141892 is a wasteful number, since it uses less digits than its factorization.

20013141892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4778 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 20013141892 its reverse (29814131002), we get a palindrome (49827272894).

The spelling of 20013141892 in words is "twenty billion, thirteen million, one hundred forty-one thousand, eight hundred ninety-two".

Divisors: 1 2 4 23 41 46 82 92 164 943 1861 1886 2851 3722 3772 5702 7444 11404 42803 65573 76301 85606 116891 131146 152602 171212 233782 262292 305204 467564 1754923 2688493 3509846 5305711 5376986 7019692 10611422 10753972 21222844 122031353 217534151 244062706 435068302 488125412 870136604 5003285473 10006570946 20013141892