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149473941887820 = 2235111789126593443
BaseRepresentation
bin100001111111001000011101…
…001101011001101101001100
3201121020120101000022211100010
4201333020131031121231030
5124042440113110402240
61245523214141033220
743325064423446334
oct4177103515315514
9647216330284303
10149473941887820
11436995a7466470
1214921074855810
136553441c0bb64
1428ca8124d60c4
151243260cb9280
hex87f21d359b4c

149473941887820 has 96 divisors (see below), whose sum is σ = 456830165756160. Its totient is φ = 36215851887360.

The previous prime is 149473941887819. The next prime is 149473941887849. The reversal of 149473941887820 is 28788149374941.

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, 62115982 + ... + 64477461.

It is an arithmetic number, because the mean of its divisors is an integer number (4758647559960).

Almost surely, 2149473941887820 is an apocalyptic number.

149473941887820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149473941887820 is an abundant number, since it is smaller than the sum of its proper divisors (307356223868340).

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

149473941887820 is a wasteful number, since it uses less digits than its factorization.

149473941887820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126595255 (or 126595253 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 75.

The spelling of 149473941887820 in words is "one hundred forty-nine trillion, four hundred seventy-three billion, nine hundred forty-one million, eight hundred eighty-seven thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1789 3578 5367 7156 8945 10734 17890 19679 21468 26835 35780 39358 53670 59037 78716 98395 107340 118074 196790 236148 295185 393580 590370 1180740 126593443 253186886 379780329 506373772 632967215 759560658 1265934430 1392527873 1519121316 1898901645 2531868860 2785055746 3797803290 4177583619 5570111492 6962639365 7595606580 8355167238 13925278730 16710334476 20887918095 27850557460 41775836190 83551672380 226475669527 452951339054 679427008581 905902678108 1132378347635 1358854017162 2264756695270 2491232364797 2717708034324 3397135042905 4529513390540 4982464729594 6794270085810 7473697094391 9964929459188 12456161823985 13588540171620 14947394188782 24912323647970 29894788377564 37368485471955 49824647295940 74736970943910 149473941887820