Search a number
-
+
21032313132000 = 253531752692761
BaseRepresentation
bin1001100100000111101111…
…00011011001001111100000
32202110200002001202010002110
410302003313203121033200
510224043134130211000
6112422040011115320
74300351216613562
oct462036743311740
982420061663073
1021032313132000
1167798324a72a5
122438253142b40
13b97452c36b11
14529d7ddd9332
1526717333d850
hex1320f78d93e0

21032313132000 has 96 divisors (see below), whose sum is σ = 68901857859744. Its totient is φ = 5608616832000.

The previous prime is 21032313131981. The next prime is 21032313132011. The reversal of 21032313132000 is 23131323012.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876334381 + ... + 876358380.

It is an arithmetic number, because the mean of its divisors is an integer number (717727686039).

Almost surely, 221032313132000 is an apocalyptic number.

21032313132000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21032313132000 is an abundant number, since it is smaller than the sum of its proper divisors (47869544727744).

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

21032313132000 is a wasteful number, since it uses less digits than its factorization.

21032313132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752692789 (or 1752692771 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21032313132000 its reverse (23131323012), we get a palindrome (21055444455012).

The spelling of 21032313132000 in words is "twenty-one trillion, thirty-two billion, three hundred thirteen million, one hundred thirty-two thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 750 800 1000 1200 1500 2000 2400 3000 4000 6000 12000 1752692761 3505385522 5258078283 7010771044 8763463805 10516156566 14021542088 17526927610 21032313132 26290391415 28043084176 35053855220 42064626264 43817319025 52580782830 56086168352 70107710440 84129252528 87634638050 105161565660 131451957075 140215420880 168258505056 175269276100 210323131320 219086595125 262903914150 280430841760 350538552200 420646262640 438173190250 525807828300 657259785375 701077104400 841292525280 876346380500 1051615656600 1314519570750 1402154208800 1752692761000 2103231313200 2629039141500 3505385522000 4206462626400 5258078283000 7010771044000 10516156566000 21032313132000