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212310011 = 975933691
BaseRepresentation
bin11001010011110…
…01011111111011
3112210111110120202
430221321133323
5413322410021
633022312415
75155414424
oct1451713773
9483443522
10212310011
11a9930721
125b12870b
1334ca7434
14202a864b
151398ba0b
hexca797fb

212310011 has 8 divisors (see below), whose sum is σ = 214918704. Its totient is φ = 209710080.

The previous prime is 212309947. The next prime is 212310017. The reversal of 212310011 is 110013212.

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

It is a cyclic number.

It is not a de Polignac number, because 212310011 - 26 = 212309947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212309974 and 212310001.

It is not an unprimeable number, because it can be changed into a prime (212310017) 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, 55676 + ... + 59366.

It is an arithmetic number, because the mean of its divisors is an integer number (26864838).

Almost surely, 2212310011 is an apocalyptic number.

212310011 is a deficient number, since it is larger than the sum of its proper divisors (2608693).

212310011 is an equidigital number, since it uses as much as digits as its factorization.

212310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212310011 is about 14570.8617109627. The cubic root of 212310011 is about 596.5637008360.

Adding to 212310011 its reverse (110013212), we get a palindrome (322323223).

The spelling of 212310011 in words is "two hundred twelve million, three hundred ten thousand, eleven".

Divisors: 1 97 593 3691 57521 358027 2188763 212310011