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210131001222 = 2335021833537
BaseRepresentation
bin1100001110110011001…
…0001001111110000110
3202002101101112212111220
43003230302021332012
511420322014014342
6240311032341210
721116146016502
oct3035462117606
9662341485456
10210131001222
118113052138a
1234884544806
1316a7a1b5a5c
14a2557c5302
1556ecaac5ec
hex30ecc89f86

210131001222 has 8 divisors (see below), whose sum is σ = 420262002456. Its totient is φ = 70043667072.

The previous prime is 210131001221. The next prime is 210131001229. The reversal of 210131001222 is 222100131012.

210131001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

210131001222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131001221) 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 3 ways as a sum of consecutive naturals, for example, 17510916763 + ... + 17510916774.

It is an arithmetic number, because the mean of its divisors is an integer number (52532750307).

Almost surely, 2210131001222 is an apocalyptic number.

210131001222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210131001222 is a wasteful number, since it uses less digits than its factorization.

210131001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35021833542.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210131001222 its reverse (222100131012), we get a palindrome (432231132234).

The spelling of 210131001222 in words is "two hundred ten billion, one hundred thirty-one million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 35021833537 70043667074 105065500611 210131001222