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2031221010 = 2357213106291
BaseRepresentation
bin111100100010001…
…1111100100010010
312020120002201101210
41321010133210102
513124443033020
6533320040550
7101223044100
oct17104374422
95216081353
102031221010
11952631455
12488303156
13264a89030
14153aa4c70
15bd4cd3e0
hex7911f912

2031221010 has 96 divisors (see below), whose sum is σ = 6107113152. Its totient is φ = 428561280.

The previous prime is 2031221009. The next prime is 2031221041. The reversal of 2031221010 is 101221302.

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, 34036 + ... + 72255.

It is an arithmetic number, because the mean of its divisors is an integer number (63615762).

Almost surely, 22031221010 is an apocalyptic number.

2031221010 is an abundant number, since it is smaller than the sum of its proper divisors (4075892142).

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

2031221010 is a wasteful number, since it uses less digits than its factorization.

2031221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106328 (or 106321 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2031221010 is about 45069.0693269786. The cubic root of 2031221010 is about 1266.4432298253.

Adding to 2031221010 its reverse (101221302), we get a palindrome (2132442312).

The spelling of 2031221010 in words is "two billion, thirty-one million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 49 65 70 78 91 98 105 130 147 182 195 210 245 273 294 390 455 490 546 637 735 910 1274 1365 1470 1911 2730 3185 3822 6370 9555 19110 106291 212582 318873 531455 637746 744037 1062910 1381783 1488074 1594365 2232111 2763566 3188730 3720185 4145349 4464222 5208259 6908915 7440370 8290698 9672481 10416518 11160555 13817830 15624777 19344962 20726745 22321110 26041295 29017443 31249554 41453490 48362405 52082590 58034886 67707367 78123885 96724810 135414734 145087215 156247770 203122101 290174430 338536835 406244202 677073670 1015610505 2031221010