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212521244035 = 564717656771
BaseRepresentation
bin1100010111101101000…
…0001101010110000011
3202022112222012210020111
43011323100031112003
511440220414302120
6241344135452151
721232321524442
oct3057320152603
9668488183214
10212521244035
118214777a171
1235230b27057
131706b466509
14a401024d59
1557dc85775a
hex317b40d583

212521244035 has 8 divisors (see below), whose sum is σ = 255029821776. Its totient is φ = 170014109280.

The previous prime is 212521244021. The next prime is 212521244099. The reversal of 212521244035 is 530442125212.

It is a happy number.

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

It is not a de Polignac number, because 212521244035 - 235 = 178161505667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212521243988 and 212521244006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801 + ... + 651970.

It is an arithmetic number, because the mean of its divisors is an integer number (31878727722).

Almost surely, 2212521244035 is an apocalyptic number.

212521244035 is a deficient number, since it is larger than the sum of its proper divisors (42508577741).

212521244035 is an equidigital number, since it uses as much as digits as its factorization.

212521244035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721493.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 212521244035 its reverse (530442125212), we get a palindrome (742963369247).

The spelling of 212521244035 in words is "two hundred twelve billion, five hundred twenty-one million, two hundred forty-four thousand, thirty-five".

Divisors: 1 5 64717 323585 656771 3283855 42504248807 212521244035