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2123220203310 = 2351367398912979
BaseRepresentation
bin11110111001011001110…
…010010011011100101110
321111222101212101201221210
4132321121302103130232
5234241323333001220
64303221025335250
7306253242644223
oct36713162233456
97458355351853
102123220203310
117494a84a8358
122a35b2197526
131252ac94208b
1474a9b75d94a
153a36aa226e0
hex1ee59c9372e

2123220203310 has 64 divisors (see below), whose sum is σ = 5101127539200. Its totient is φ = 565592452992.

The previous prime is 2123220203257. The next prime is 2123220203387. The reversal of 2123220203310 is 133020223212.

It is a happy number.

It is a super-2 number, since 2×21232202033102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 163582401 + ... + 163595379.

It is an arithmetic number, because the mean of its divisors is an integer number (79705117800).

Almost surely, 22123220203310 is an apocalyptic number.

2123220203310 is an abundant number, since it is smaller than the sum of its proper divisors (2977907335890).

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

2123220203310 is a wasteful number, since it uses less digits than its factorization.

2123220203310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2123220203310 its reverse (133020223212), we get a palindrome (2256240426522).

The spelling of 2123220203310 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, two hundred three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1367 2734 3989 4101 6835 7978 8202 11967 12979 13670 19945 20505 23934 25958 38937 39890 41010 59835 64895 77874 119670 129790 194685 389370 5452963 10905926 16358889 17742293 27264815 32717778 35484586 51773231 53226879 54529630 81794445 88711465 103546462 106453758 155319693 163588890 177422930 258866155 266134395 310639386 517732310 532268790 776598465 1553196930 70774006777 141548013554 212322020331 353870033885 424644040662 707740067770 1061610101655 2123220203310