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2122440104 = 23265305013
BaseRepresentation
bin111111010000001…
…1101110110101000
312110220202010110202
41332200131312220
513321321040404
6550335131332
7103411305011
oct17640356650
95426663422
102122440104
1199a075734
124b2973b48
1327a946b25
14161c4c008
15c64eb21e
hex7e81dda8

2122440104 has 8 divisors (see below), whose sum is σ = 3979575210. Its totient is φ = 1061220048.

The previous prime is 2122440059. The next prime is 2122440109. The reversal of 2122440104 is 4010442212.

It can be written as a sum of positive squares in only one way, i.e., 2074802500 + 47637604 = 45550^2 + 6902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2122440109) by changing a digit.

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 as a sum of consecutive naturals, namely, 132652499 + ... + 132652514.

Almost surely, 22122440104 is an apocalyptic number.

It is an amenable number.

2122440104 is a deficient number, since it is larger than the sum of its proper divisors (1857135106).

2122440104 is a wasteful number, since it uses less digits than its factorization.

2122440104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265305019 (or 265305015 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2122440104 is about 46069.9479487442. The cubic root of 2122440104 is about 1285.1243358521.

Adding to 2122440104 its reverse (4010442212), we get a palindrome (6132882316).

The spelling of 2122440104 in words is "two billion, one hundred twenty-two million, four hundred forty thousand, one hundred four".

Divisors: 1 2 4 8 265305013 530610026 1061220052 2122440104