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210023201231320 = 2359754129691039
BaseRepresentation
bin101111110000001111010110…
…010011011101000111011000
31000112122000121000001222110111
4233300033112103131013120
5210012010004003400240
62022403154321254104
762144450500125001
oct5760172623350730
91015560530058414
10210023201231320
1160a1338088a904
121b67baa1194334
1390261450a2139
1439c126a2641a8
1519432bace11ea
hexbf03d64dd1d8

210023201231320 has 32 divisors (see below), whose sum is σ = 477423874972800. Its totient is φ = 83143205434368.

The previous prime is 210023201231303. The next prime is 210023201231321. The reversal of 210023201231320 is 23132102320012.

It is a junction number, because it is equal to n+sod(n) for n = 210023201231291 and 210023201231300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210023201231321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27064841640 + ... + 27064849399.

It is an arithmetic number, because the mean of its divisors is an integer number (14919496092900).

Almost surely, 2210023201231320 is an apocalyptic number.

210023201231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210023201231320 is an abundant number, since it is smaller than the sum of its proper divisors (267400673741480).

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

210023201231320 is a wasteful number, since it uses less digits than its factorization.

210023201231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54129691147 (or 54129691143 counting only the distinct ones).

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

Adding to 210023201231320 its reverse (23132102320012), we get a palindrome (233155303551332).

The spelling of 210023201231320 in words is "two hundred ten trillion, twenty-three billion, two hundred one million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 54129691039 108259382078 216518764156 270648455195 433037528312 541296910390 1082593820780 2165187641560 5250580030783 10501160061566 21002320123132 26252900153915 42004640246264 52505800307830 105011600615660 210023201231320