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20113010146 = 2232943521673
BaseRepresentation
bin10010101110110101…
…000010110111100010
31220220201011210000201
4102232311002313202
5312142412311041
613123443335414
71311263523355
oct225665026742
956821153021
1020113010146
1185912a7239
123a9398156a
131b86c25148
14d8b30229c
157cab40631
hex4aed42de2

20113010146 has 64 divisors (see below), whose sum is σ = 33437733120. Its totient is φ = 9040711680.

The previous prime is 20113010119. The next prime is 20113010147. The reversal of 20113010146 is 64101031102.

It is not an unprimeable number, because it can be changed into a prime (20113010147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29885266 + ... + 29885938.

It is an arithmetic number, because the mean of its divisors is an integer number (522464580).

Almost surely, 220113010146 is an apocalyptic number.

20113010146 is a deficient number, since it is larger than the sum of its proper divisors (13324722974).

20113010146 is a wasteful number, since it uses less digits than its factorization.

20113010146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20113010146 its reverse (64101031102), we get a palindrome (84214041248).

The spelling of 20113010146 in words is "twenty billion, one hundred thirteen million, ten thousand, one hundred forty-six".

Divisors: 1 2 23 29 43 46 58 86 521 667 673 989 1042 1247 1334 1346 1978 2494 11983 15109 15479 19517 22403 23966 28681 28939 30218 30958 39034 44806 57362 57878 347507 350633 448891 515269 649687 665597 695014 701266 839231 897782 1030538 1299374 1331194 1678462 8064559 10168357 14942801 15077219 16129118 19302313 20336714 29885602 30154438 38604626 233872211 346776037 437239351 467744422 693552074 874478702 10056505073 20113010146