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210133121320 = 23551891012397
BaseRepresentation
bin1100001110110011101…
…0001111100100101000
3202002101112112120202001
43003230322033210220
511420323034340240
6240311150020344
721116203026523
oct3035472174450
9662345476661
10210133121320
118113173a231
12348851a76b4
1316a7a778a55
14a255bb7bba
1556ecd7a89a
hex30ece8f928

210133121320 has 32 divisors (see below), whose sum is σ = 472891105800. Its totient is φ = 84036967168.

The previous prime is 210133121279. The next prime is 210133121327. The reversal of 210133121320 is 23121331012.

210133121320 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 209256842916 + 876278404 = 457446^2 + 29602^2 .

It is not an unprimeable number, because it can be changed into a prime (210133121327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298639 + ... + 713758.

Almost surely, 2210133121320 is an apocalyptic number.

210133121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210133121320 is an abundant number, since it is smaller than the sum of its proper divisors (262757984480).

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

210133121320 is a wasteful number, since it uses less digits than its factorization.

210133121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017597 (or 1017593 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 210133121320 its reverse (23121331012), we get a palindrome (233254452332).

The spelling of 210133121320 in words is "two hundred ten billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5189 10378 20756 25945 41512 51890 103780 207560 1012397 2024794 4049588 5061985 8099176 10123970 20247940 40495880 5253328033 10506656066 21013312132 26266640165 42026624264 52533280330 105066560660 210133121320