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4122542215 = 51174955313
BaseRepresentation
bin1111010110111001…
…0000000010000111
3101122022021211202201
43311232100002013
531420332322330
61521024215331
7204106013341
oct36556200207
911568254681
104122542215
111826081a90
1297076a547
135091287bc
142b1732291
15191dcdeca
hexf5b90087

4122542215 has 8 divisors (see below), whose sum is σ = 5396782608. Its totient is φ = 2998212480.

The previous prime is 4122542201. The next prime is 4122542219. The reversal of 4122542215 is 5122452214.

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 4122542215 - 211 = 4122540167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122542219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37477602 + ... + 37477711.

It is an arithmetic number, because the mean of its divisors is an integer number (674597826).

Almost surely, 24122542215 is an apocalyptic number.

4122542215 is a deficient number, since it is larger than the sum of its proper divisors (1274240393).

4122542215 is a wasteful number, since it uses less digits than its factorization.

4122542215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74955329.

The product of its digits is 6400, while the sum is 28.

The square root of 4122542215 is about 64207.0262120899. The cubic root of 4122542215 is about 1603.4485793009.

Adding to 4122542215 its reverse (5122452214), we get a palindrome (9244994429).

Subtracting 4122542215 from its reverse (5122452214), we obtain a palindrome (999909999).

The spelling of 4122542215 in words is "four billion, one hundred twenty-two million, five hundred forty-two thousand, two hundred fifteen".

Divisors: 1 5 11 55 74955313 374776565 824508443 4122542215