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32113013020 = 225111941187379
BaseRepresentation
bin11101111010000101…
…011011000100011100
310001220000022002022121
4131322011123010130
51011231412404040
622430313152324
72214535051444
oct357205330434
9101800262277
1032113013020
1112689a5aa90
1262826bb6a4
13304a08b06a
1417a8d21124
15c7e3b1c4a
hex77a15b11c

32113013020 has 96 divisors (see below), whose sum is σ = 79329196800. Its totient is φ = 10792972800.

The previous prime is 32113013017. The next prime is 32113013029. The reversal of 32113013020 is 2031031123.

It is a super-4 number, since 4×321130130204 (a number of 43 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32113012985 and 32113013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113013029) 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, 77691 + ... + 265069.

It is an arithmetic number, because the mean of its divisors is an integer number (826345800).

Almost surely, 232113013020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32113013020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39664598400).

32113013020 is an abundant number, since it is smaller than the sum of its proper divisors (47216183780).

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

32113013020 is a wasteful number, since it uses less digits than its factorization.

32113013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187459 (or 187457 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 32113013020 its reverse (2031031123), we get a palindrome (34144044143).

The spelling of 32113013020 in words is "thirty-two billion, one hundred thirteen million, thirteen thousand, twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 41 44 55 76 82 95 110 164 190 205 209 220 380 410 418 451 779 820 836 902 1045 1558 1804 2090 2255 3116 3895 4180 4510 7790 8569 9020 15580 17138 34276 42845 85690 171380 187379 374758 749516 936895 1873790 2061169 3560201 3747580 4122338 7120402 7682539 8244676 10305845 14240804 15365078 17801005 20611690 30730156 35602010 38412695 39162211 41223380 71204020 76825390 78324422 84507929 145968241 153650780 156648844 169015858 195811055 291936482 338031716 391622110 422539645 583872964 729841205 783244220 845079290 1459682410 1605650651 1690158580 2919364820 3211301302 6422602604 8028253255 16056506510 32113013020