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189805925458110 = 235131718512831999
BaseRepresentation
bin101011001010000010100010…
…110000110110000010111110
3220220001021021021220120200010
4223022002202300312002332
5144334240013404124420
61511403345521244050
754660011526360243
oct5312024260660276
9826037237816603
10189805925458110
1155529271766555
12193557b0493626
1381ba811611330
1434c292777b5ca
1516e244aed84e0
hexaca0a2c360be

189805925458110 has 64 divisors (see below), whose sum is σ = 490578342912000. Its totient is φ = 46721170204800.

The previous prime is 189805925458081. The next prime is 189805925458169. The reversal of 189805925458110 is 11854529508981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65605891 + ... + 68437889.

It is an arithmetic number, because the mean of its divisors is an integer number (7665286608000).

Almost surely, 2189805925458110 is an apocalyptic number.

189805925458110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189805925458110 is an abundant number, since it is smaller than the sum of its proper divisors (300772417453890).

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

189805925458110 is a wasteful number, since it uses less digits than its factorization.

189805925458110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003873.

The product of its (nonzero) digits is 41472000, while the sum is 66.

The spelling of 189805925458110 in words is "one hundred eighty-nine trillion, eight hundred five billion, nine hundred twenty-five million, four hundred fifty-eight thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 171851 343702 515553 859255 1031106 1718510 2234063 2577765 2831999 4468126 5155530 5663998 6702189 8495997 11170315 13404378 14159995 16991994 22340630 28319990 33510945 36815987 42479985 67021890 73631974 84959970 110447961 184079935 220895922 368159870 552239805 1104479610 486681860149 973363720298 1460045580447 2433409300745 2920091160894 4866818601490 6326864181937 7300227902235 12653728363874 14600455804470 18980592545811 31634320909685 37961185091622 63268641819370 94902962729055 189805925458110