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1201240022 = 2761789251
BaseRepresentation
bin100011110011001…
…0111011111010110
310002201100022112012
41013212113133112
54430004140042
6315110424222
741524241333
oct10746273726
93081308465
101201240022
11567083454
12296362072
13161b39a18
14b577398a
15706d2e82
hex479977d6

1201240022 has 8 divisors (see below), whose sum is σ = 1804230072. Its totient is φ = 599830000.

The previous prime is 1201240013. The next prime is 1201240037. The reversal of 1201240022 is 2200421021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201239979 and 1201240006.

It is a congruent number.

It is an unprimeable number.

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, 393104 + ... + 396147.

It is an arithmetic number, because the mean of its divisors is an integer number (225528759).

Almost surely, 21201240022 is an apocalyptic number.

1201240022 is a deficient number, since it is larger than the sum of its proper divisors (602990050).

1201240022 is an equidigital number, since it uses as much as digits as its factorization.

1201240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790014.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1201240022 is about 34658.9097058751. The cubic root of 1201240022 is about 1063.0244765091.

Adding to 1201240022 its reverse (2200421021), we get a palindrome (3401661043).

The spelling of 1201240022 in words is "one billion, two hundred one million, two hundred forty thousand, twenty-two".

Divisors: 1 2 761 1522 789251 1578502 600620011 1201240022