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220142513 is a prime number
BaseRepresentation
bin11010001111100…
…01101110110001
3120100020101202102
431013301232301
5422324030023
633502230145
75312115623
oct1507615661
9510211672
10220142513
111032a0368
1261885355
13367ba556
1421346c13
15144d7628
hexd1f1bb1

220142513 has 2 divisors, whose sum is σ = 220142514. Its totient is φ = 220142512.

The previous prime is 220142471. The next prime is 220142519. The reversal of 220142513 is 315241022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 60575089 = 12632^2 + 7783^2 .

It is a cyclic number.

It is not a de Polignac number, because 220142513 - 214 = 220126129 is a prime.

It is not a weakly prime, because it can be changed into another prime (220142519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110071256 + 110071257.

It is an arithmetic number, because the mean of its divisors is an integer number (110071257).

Almost surely, 2220142513 is an apocalyptic number.

It is an amenable number.

220142513 is a deficient number, since it is larger than the sum of its proper divisors (1).

220142513 is an equidigital number, since it uses as much as digits as its factorization.

220142513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220142513 is about 14837.2003086836. The cubic root of 220142513 is about 603.8113976656.

Adding to 220142513 its reverse (315241022), we get a palindrome (535383535).

The spelling of 220142513 in words is "two hundred twenty million, one hundred forty-two thousand, five hundred thirteen".