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20301213122112 = 2631322336473089
BaseRepresentation
bin1001001110110101111101…
…00110001011111001000000
32122212202222110002112002110
410213122332212023321000
510130103341024401422
6111102125404415320
74163466662224356
oct447327646137100
978782873075073
1020301213122112
11651777261299a
12233a617247540
13b4351c54c780
145028265477d6
15253133cc360c
hex1276be98be40

20301213122112 has 112 divisors (see below), whose sum is σ = 58104842001920. Its totient is φ = 6218515611648.

The previous prime is 20301213122089. The next prime is 20301213122123. The reversal of 20301213122112 is 21122131210302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17679937 + ... + 18793152.

It is an arithmetic number, because the mean of its divisors is an integer number (518793232160).

Almost surely, 220301213122112 is an apocalyptic number.

It is an amenable number.

20301213122112 is an abundant number, since it is smaller than the sum of its proper divisors (37803628879808).

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

20301213122112 is a wasteful number, since it uses less digits than its factorization.

20301213122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36473340 (or 36473330 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20301213122112 its reverse (21122131210302), we get a palindrome (41423344332414).

The spelling of 20301213122112 in words is "twenty trillion, three hundred one billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 223 312 416 446 624 669 832 892 1248 1338 1784 2496 2676 2899 3568 5352 5798 7136 8697 10704 11596 14272 17394 21408 23192 34788 42816 46384 69576 92768 139152 185536 278304 556608 36473089 72946178 109419267 145892356 218838534 291784712 437677068 474150157 583569424 875354136 948300314 1167138848 1422450471 1750708272 1896600628 2334277696 2844900942 3501416544 3793201256 5689801884 7002833088 7586402512 8133498847 11379603768 15172805024 16266997694 22759207536 24400496541 30345610048 32533995388 45518415072 48800993082 65067990776 91036830144 97601986164 105735485011 130135981552 195203972328 211470970022 260271963104 317206455033 390407944656 422941940044 520543926208 634412910066 780815889312 845883880088 1268825820132 1561631778624 1691767760176 2537651640264 3383535520352 5075303280528 6767071040704 10150606561056 20301213122112