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18950419925010 = 2335727973584797
BaseRepresentation
bin1000100111100001111010…
…00011000100100000010010
32111002122100100101022101000
410103300331003010200102
54440440430000100020
6104145411442322430
73664060033416150
oct423607503044022
974078310338330
1018950419925010
116046912013a62
122160875359416
13a7602b275022
144972c31943d0
1522ce25a77090
hex113c3d0c4812

18950419925010 has 128 divisors (see below), whose sum is σ = 57774325271040. Its totient is φ = 4329974714112.

The previous prime is 18950419924999. The next prime is 18950419925069. The reversal of 18950419925010 is 1052991405981.

18950419925010 is a `hidden beast` number, since 1 + 8 + 9 + 5 + 0 + 41 + 9 + 92 + 501 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3493932 + ... + 7078728.

It is an arithmetic number, because the mean of its divisors is an integer number (451361916180).

Almost surely, 218950419925010 is an apocalyptic number.

18950419925010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18950419925010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28887162635520).

18950419925010 is an abundant number, since it is smaller than the sum of its proper divisors (38823905346030).

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

18950419925010 is a wasteful number, since it uses less digits than its factorization.

18950419925010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587617 (or 3587611 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 54.

The spelling of 18950419925010 in words is "eighteen trillion, nine hundred fifty billion, four hundred nineteen million, nine hundred twenty-five thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 2797 5594 8391 13985 16782 19579 25173 27970 39158 41955 50346 58737 75519 83910 97895 117474 125865 151038 176211 195790 251730 293685 352422 377595 528633 587370 755190 881055 1057266 1762110 2643165 3584797 5286330 7169594 10754391 17923985 21508782 25093579 32263173 35847970 50187158 53771955 64526346 75280737 96789519 107543910 125467895 150561474 161315865 193579038 225842211 250935790 322631730 376403685 451684422 483947595 677526633 752807370 967895190 1129211055 1355053266 2258422110 3387633165 6775266330 10026677209 20053354418 30080031627 50133386045 60160063254 70186740463 90240094881 100266772090 140373480926 150400158135 180480189762 210560221389 270720284643 300800316270 350933702315 421120442778 451200474405 541440569286 631680664167 701867404630 902400948810 1052801106945 1263361328334 1353601423215 1895041992501 2105602213890 2707202846430 3158403320835 3790083985002 6316806641670 9475209962505 18950419925010