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201010001002120 = 23547449238129651
BaseRepresentation
bin101101101101000101001001…
…101101001011111010001000
3222100201100221120201000211101
4231231011021231023322020
5202321321440224031440
61551302415240111144
760224331132221242
oct5555051155137210
9870640846630741
10201010001002120
1159058954278152
121a6651027654b4
13882121450604b
14378cd163b1092
151838ae881069a
hexb6d149b4be88

201010001002120 has 64 divisors (see below), whose sum is σ = 462924043488000. Its totient is φ = 78518013235200.

The previous prime is 201010001002117. The next prime is 201010001002157. The reversal of 201010001002120 is 21200100010102.

201010001002120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201010001002097 and 201010001002106.

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, 118220706 + ... + 119908945.

It is an arithmetic number, because the mean of its divisors is an integer number (7233188179500).

Almost surely, 2201010001002120 is an apocalyptic number.

201010001002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010001002120 is an abundant number, since it is smaller than the sum of its proper divisors (261914042485880).

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

201010001002120 is a wasteful number, since it uses less digits than its factorization.

201010001002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238130158 (or 238130154 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201010001002120 its reverse (21200100010102), we get a palindrome (222210101012222).

The spelling of 201010001002120 in words is "two hundred one trillion, ten billion, one million, two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 449 470 898 940 1796 1880 2245 3592 4490 8980 17960 21103 42206 84412 105515 168824 211030 422060 844120 238129651 476259302 952518604 1190648255 1905037208 2381296510 4762593020 9525186040 11192093597 22384187194 44768374388 55960467985 89536748776 106920213299 111920935970 213840426598 223841871940 427680853196 447683743880 534601066495 855361706392 1069202132990 2138404265980 4276808531960 5025250025053 10050500050106 20101000100212 25126250125265 40202000200424 50252500250530 100505000501060 201010001002120