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505351430213 = 7791496133129
BaseRepresentation
bin1110101101010010100…
…10101110000001000101
31210022101210212112102112
413112221102232001011
531234424431231323
61024053310550405
751340036165610
oct7265122560105
91708353775375
10505351430213
111853557871a3
1281b35208405
1338867a43826
141a65dc45177
15d22a857178
hex75a94ae045

505351430213 has 16 divisors (see below), whose sum is σ = 588780480000. Its totient is φ = 424804977792.

The previous prime is 505351430197. The next prime is 505351430219. The reversal of 505351430213 is 312034153505.

It is a cyclic number.

It is not a de Polignac number, because 505351430213 - 24 = 505351430197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505351430213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505351430219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2984168 + ... + 3148961.

It is an arithmetic number, because the mean of its divisors is an integer number (36798780000).

Almost surely, 2505351430213 is an apocalyptic number.

It is an amenable number.

505351430213 is a deficient number, since it is larger than the sum of its proper divisors (83429049787).

505351430213 is a wasteful number, since it uses less digits than its factorization.

505351430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6133364.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 505351430213 its reverse (312034153505), we get a palindrome (817385583718).

The spelling of 505351430213 in words is "five hundred five billion, three hundred fifty-one million, four hundred thirty thousand, two hundred thirteen".

Divisors: 1 7 79 149 553 1043 11771 82397 6133129 42931903 484517191 913836221 3391620337 6396853547 72193061459 505351430213