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212450051245 = 579537848231
BaseRepresentation
bin1100010111011100000…
…0101000010010101101
3202022101000020211002111
43011313000220102231
511440044203114440
6241333113524021
721230465432335
oct3056700502255
9668330224074
10212450051245
1182110573a53
1235211113611
131705979aac3
14a3d57b20c5
1557d64934ea
hex31770284ad

212450051245 has 8 divisors (see below), whose sum is σ = 258167151360. Its totient is φ = 167808647760.

The previous prime is 212450051213. The next prime is 212450051269. The reversal of 212450051245 is 542150054212.

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

It is not a de Polignac number, because 212450051245 - 25 = 212450051213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268923721 + ... + 268924510.

It is an arithmetic number, because the mean of its divisors is an integer number (32270893920).

Almost surely, 2212450051245 is an apocalyptic number.

It is an amenable number.

212450051245 is a deficient number, since it is larger than the sum of its proper divisors (45717100115).

212450051245 is an equidigital number, since it uses as much as digits as its factorization.

212450051245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537848315.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 212450051245 in words is "two hundred twelve billion, four hundred fifty million, fifty-one thousand, two hundred forty-five".

Divisors: 1 5 79 395 537848231 2689241155 42490010249 212450051245