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2141224145220 = 2235312574479361
BaseRepresentation
bin11111001010001010111…
…001111001000101000100
321120200212120222202021010
4133022022321321011010
5240040211340121340
64315355332322220
7310461346634616
oct37121271710504
97520776882233
102141224145220
117560a7232396
122a6b97773370
13126bbb922944
14758c88d4db6
153aa71408b80
hex1f28ae79144

2141224145220 has 96 divisors (see below), whose sum is σ = 6212910928896. Its totient is φ = 550423756800.

The previous prime is 2141224145219. The next prime is 2141224145231. The reversal of 2141224145220 is 225414221412.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1761661 + ... + 2717700.

It is an arithmetic number, because the mean of its divisors is an integer number (64717822176).

Almost surely, 22141224145220 is an apocalyptic number.

2141224145220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141224145220 is an abundant number, since it is smaller than the sum of its proper divisors (4071686783676).

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

2141224145220 is a wasteful number, since it uses less digits than its factorization.

2141224145220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479661 (or 4479659 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 2141224145220 its reverse (225414221412), we get a palindrome (2366638366632).

The spelling of 2141224145220 in words is "two trillion, one hundred forty-one billion, two hundred twenty-four million, one hundred forty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 257 310 372 465 514 620 771 930 1028 1285 1542 1860 2570 3084 3855 5140 7710 7967 15420 15934 23901 31868 39835 47802 79670 95604 119505 159340 239010 478020 4479361 8958722 13438083 17917444 22396805 26876166 44793610 53752332 67190415 89587220 134380830 138860191 268761660 277720382 416580573 555440764 694300955 833161146 1151195777 1388601910 1666322292 2082902865 2302391554 2777203820 3453587331 4165805730 4604783108 5755978885 6907174662 8331611460 11511957770 13814349324 17267936655 23023915540 34535873310 35687069087 69071746620 71374138174 107061207261 142748276348 178435345435 214122414522 356870690870 428244829044 535306036305 713741381740 1070612072610 2141224145220