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188852745452140 = 225711224113462337
BaseRepresentation
bin101010111100001010110100…
…110011101011101001101100
3220202200010221112120021201001
4222330022310303223221230
5144223130410313432030
61505353430433530044
754531106041116440
oct5274126463535154
9822603845507631
10188852745452140
11551a0aaa477100
1219220b16413924
13814b978327493
14348c7435a2820
1516c775ed67cca
hexabc2b4ceba6c

188852745452140 has 144 divisors (see below), whose sum is σ = 498218402558016. Its totient is φ = 58860624936960.

The previous prime is 188852745452101. The next prime is 188852745452227. The reversal of 188852745452140 is 41254547258881.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408243052 + ... + 408705388.

It is an arithmetic number, because the mean of its divisors is an integer number (3459850017764).

Almost surely, 2188852745452140 is an apocalyptic number.

188852745452140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188852745452140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249109201279008).

188852745452140 is an abundant number, since it is smaller than the sum of its proper divisors (309365657105876).

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

188852745452140 is a wasteful number, since it uses less digits than its factorization.

188852745452140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486488 (or 486475 counting only the distinct ones).

The product of its (nonzero) digits is 114688000, while the sum is 64.

The spelling of 188852745452140 in words is "one hundred eighty-eight trillion, eight hundred fifty-two billion, seven hundred forty-five million, four hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 121 140 154 220 242 308 385 484 605 770 847 1210 1540 1694 2420 3388 4235 8470 16940 24113 48226 96452 120565 168791 241130 265243 337582 462337 482260 530486 675164 843955 924674 1060972 1326215 1687910 1849348 1856701 2311685 2652430 2917673 3236359 3375820 3713402 4623370 5085707 5304860 5835346 6472718 7426804 9246740 9283505 10171414 11670692 12945436 14588365 16181795 18567010 20342828 20423711 25428535 29176730 32363590 35599949 37134020 40847422 50857070 55942777 58353460 64727180 71199898 81694844 101714140 102118555 111885554 142399796 177999745 204237110 223771108 279713885 355999490 391599439 408474220 559427770 711998980 783198878 1118855540 1566397756 1957997195 3915994390 7831988780 11148332081 22296664162 44593328324 55741660405 78038324567 111483320810 122631652891 156076649134 222966641620 245263305782 312153298268 390191622835 490526611564 613158264455 780383245670 858421570237 1226316528910 1348948181801 1560766491340 1716843140474 2452633057820 2697896363602 3433686280948 4292107851185 5395792727204 6744740909005 8584215702370 9442637272607 13489481818010 17168431404740 18885274545214 26978963636020 37770549090428 47213186363035 94426372726070 188852745452140