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2123221022210 = 256591242125939
BaseRepresentation
bin11110111001011001110…
…101011011011000000010
321111222101220221100021102
4132321121311123120002
5234241324040202320
64303221055054402
7306253252624541
oct36713165333002
97458356840242
102123221022210
117494a8a07632
122a35b2511402
131252acb6aa32
1474a9b8d4158
153a36ab35175
hex1ee59d5b602

2123221022210 has 32 divisors (see below), whose sum is σ = 3828052958400. Its totient is φ = 847898694720.

The previous prime is 2123221022189. The next prime is 2123221022213. The reversal of 2123221022210 is 122201223212.

It is not an unprimeable number, because it can be changed into a prime (2123221022213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81841421 + ... + 81867359.

It is an arithmetic number, because the mean of its divisors is an integer number (119626654950).

Almost surely, 22123221022210 is an apocalyptic number.

2123221022210 is a deficient number, since it is larger than the sum of its proper divisors (1704831936190).

2123221022210 is a wasteful number, since it uses less digits than its factorization.

2123221022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39026.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2123221022210 its reverse (122201223212), we get a palindrome (2245422245422).

The spelling of 2123221022210 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-one million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 659 1318 3295 6590 12421 24842 25939 51878 62105 124210 129695 259390 8185439 16370878 17093801 34187602 40927195 81854390 85469005 170938010 322188319 644376638 1610941595 3221883190 212322102221 424644204442 1061610511105 2123221022210