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2103312213220 = 225136776931683
BaseRepresentation
bin11110100110110111001…
…011010110010011100100
321110002000110000001120111
4132212313023112103210
5233430040411310340
64250125344142404
7304650015553621
oct36466713262344
97402013001514
102103312213220
11741011a02789
1229b777007a04
1312345934119a
1473b2d789348
1539aa2dcdaea
hex1e9b72d64e4

2103312213220 has 24 divisors (see below), whose sum is σ = 4420186835904. Its totient is φ = 840709420896.

The previous prime is 2103312213217. The next prime is 2103312213241. The reversal of 2103312213220 is 223122133012.

It is a junction number, because it is equal to n+sod(n) for n = 2103312213191 and 2103312213200.

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 7 ways as a sum of consecutive naturals, for example, 38438502 + ... + 38493181.

It is an arithmetic number, because the mean of its divisors is an integer number (184174451496).

Almost surely, 22103312213220 is an apocalyptic number.

2103312213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103312213220 is an abundant number, since it is smaller than the sum of its proper divisors (2316874622684).

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

2103312213220 is a wasteful number, since it uses less digits than its factorization.

2103312213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76933059 (or 76933057 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2103312213220 its reverse (223122133012), we get a palindrome (2326434346232).

The spelling of 2103312213220 in words is "two trillion, one hundred three billion, three hundred twelve million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1367 2734 5468 6835 13670 27340 76931683 153863366 307726732 384658415 769316830 1538633660 105165610661 210331221322 420662442644 525828053305 1051656106610 2103312213220