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1212300242 = 24191446659
BaseRepresentation
bin100100001000010…
…0011101111010010
310010111011020021222
41020100203233102
54440322101432
6320143445042
742020245016
oct11020435722
93114136258
101212300242
1157234812a
12299bb6782
1316421002a
14b7012546
157166a112
hex48423bd2

1212300242 has 8 divisors (see below), whose sum is σ = 1822791600. Its totient is φ = 604703044.

The previous prime is 1212300197. The next prime is 1212300251. The reversal of 1212300242 is 2420032121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1212300242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722492 + ... + 724167.

It is an arithmetic number, because the mean of its divisors is an integer number (227848950).

Almost surely, 21212300242 is an apocalyptic number.

1212300242 is a deficient number, since it is larger than the sum of its proper divisors (610491358).

1212300242 is a wasteful number, since it uses less digits than its factorization.

1212300242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447080.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1212300242 is about 34818.1022170939. The cubic root of 1212300242 is about 1066.2770553422.

Adding to 1212300242 its reverse (2420032121), we get a palindrome (3632332363).

The spelling of 1212300242 in words is "one billion, two hundred twelve million, three hundred thousand, two hundred forty-two".

Divisors: 1 2 419 838 1446659 2893318 606150121 1212300242